David Strom’s Web Informant

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Windows Media Player error c00d11b1 solved

Posted by strom on April 6, 2007

I have a report from a usually reliable correspondent about DRM issues with Vista and Windows Media 11 issues caused by this week’s automatic update. After the update is applied, when you try to play any of your MP3 files — whether they have DRM or not — you get a strange error COOD11B1 code with little information about what is wrong. There is a Microsoft website that checks the DRM components on your machine and then upgrades them: http://drmlicense.one.microsoft.com/Indivsite/en/indivit.asp .  Mind you, this is after running Microsoft/Windows Update which reports back that “Windows is up to date”.  You need to download this patch to remove the error code and get everything working again.

Another nail in the DRM coffin. But at least now you know how to fix the problem.

185 Responses to “Windows Media Player error c00d11b1 solved”

  1. Yuki said

    Thank you for your information, however I clicked on the link in your explanation and unfortunately the ‘upgrade’ button was gray (I couldn’t press it). Do you have any solution? Please help!

    • David Saville said

      Hello, after what seems ages, I managed to solve my problem of
      COOD11B1, with the website link above. Just make sure you use IE to link to the page, otherwise it will be greyed out.

      Thank you very much STROM

  2. Salim said

    Did the needful as mentioned for the C00D11B1 problem. It did upgrade however when I tried to play the media file it cameback exactly with the same message.

    Windows Media Player encountered a problem while playing the file. For additional assistance, click Web Help.

    Not solved. Help if you can.

  3. I have a solution that worked for me, rather than retype it all here, look at my blog at :

    http://martinjsteven.blogspot.com/2007/06/woo-hoo-windows-media-player-error.html

  4. Sri said

    Install the codecs from the below link :
    http://www.free-codecs.com/Vista_Codec_Package_download.htm
    It will resolve the issue.

  5. Gil said

    Tried all with no success…Turns out that I was being pointed in the wrong direction. The error had nothing to do with the sound card or DRM license, rather the firewall on the router was preventing the streaming file. I disabled the router firewall and it was a go.

  6. GaryA said

    Media player was reporting this error code to me for the last several months whenever playing ANY purchased music. Nothing in any article or anything else on the Internet referencing this error code worked to solve it. HOWEVER I just solved my issue and feel compelled to report it. I figured out that deleting ALL the files in the folder: C:\ProgramData\Microsoft\Windows\DRM\ as well as the files in the “Cache” folder beneath that was the magic trick. I don’t know if you need to delete from both folders, but I did and it worked for me. Note that media player had to re-download the licenses. Good luck!

  7. Royd_UK said

    GaryA you are a godsend. I followed your instructions and PERFECT. All my files now play. Thanks

  8. Roberta said

    Where do you find that folder ?? C:\ProgramData\Microsoft\Windows\DRM\

  9. Fanda said

    The correct location is: C:\Documents and Settings\All Users\DRM\

    Cheers,
    Fanda

  10. Kelvin said

    There is also a mistake with the Directx security update. Try this website http://support.microsoft.com/kb/909596

  11. Brian said

    Best solution is to turn off copy portect music on the wp rip music.

  12. Marcvs said

    Thank you SRI … TY TY TY, I installed Vista Codec Package and all my files now play.
    Ty all.

  13. t said

    try this, i got this off another forum:

    Go to this page and download the XP Codec pack. This will make sure you have all of the codecs you will ever need and probvably more.

    http://www.free-codecs.com/download/XP_Codec_Pack.htm

  14. RK said

    Go with response #13, download the latest codec package. I have XP and this worked. Thanks T.

  15. Josifus said

    Thanks T you realy helped a fellow PCer out top stuff.

  16. Aarn said

    Thank you # 13..you are my hero..i just got done downloading cow boy beebop and couldnt watch it because WMP 11 wasnt working. once again ty ^_^

  17. tara said

    hi all, i’ve read at least 10 different forums on how to solve C00D11B1. i tried the registry idea… no luck, tried uninstalling samsung… didn’t have it to begin with… so i uninstalled all things to do with my mobile (sony ericsson)… that almost worked (movied was v skewed but showed bits of picture). then i installed xp codec pack 2.3.2 voila it works!!!
    guys, i can’t begin to explain how useless i am with comps and how frustrating i find them!!! but i hope this helps someone! in the meantime, after much uploading and installing of various rubbish, i’m now going do my much needed virus check!
    happy problemsolving!
    tara.

  18. tara said

    oh no… now another file won’t play because of C00D1199
    any suggestions (yes, i’m lazy now).

    thanks!

  19. dman said

    I have XP and had the same error. I thought I had every codec out there, but #13 worked for me!

  20. PeterHA said

    I’ve tried all the above without success. I have even backtracked to Media player 10 (on XP Home) and still get the dreaded C00D11B1 but I have determided that copy protected will not play but unprotected will!!. If I try to update my licences i also get the error. What now – I’m getting fed up!1

    Peter

  21. Irihapeti said

    Number 13,T

    Is the bomb,thank you sow much,working like magic now,

    awesome advice,]

    purrfect,

    lillie

  22. Rob said

    I have XP and used T’s Codec download. It gave me a new icon – Media Player Classic – which now plays my files, but I can’t get this programme set as the default movie file viewer and the standard media player/Winamp/RealPlayer still aren’t working. Have I missed something?

  23. Sarah said

    #13 Thank you! Downloaded the codecs and now everything is working perfectly. I thought I already had all the codecs I needed, guess I was wrong. So grateful…

  24. Kath said

    #13 – thank you, thank you, thank you. Everything working great now.

  25. maria said

    for me the solution was quite simple…

    on the top menu, File/Work Offline…. and all sorted!

  26. tony said

    Ive tried loads and no joy, why have microsoft not fixed this ??????

    i have vista and media player 11.

    error: C00D11B1

    downloaded the codecs, cannot find the file drm to delete.

    still not working, any ideas?

  27. rockymtflyfisher said

    Thanks everyone, but especially T at #13.

  28. pujamenos said

    T you rule!!!!!!!!!!!!now i can watch any type of video (wink,wink)

  29. AA said

    No. #13 Thank you! Legend!

  30. Glands said

    Ive also got vista wiht wmp 11 and none of the above have worked

    Help me out someone Thanks:)

  31. Fianlly said

    Thanks #13 for that Codec link, finally got this problem solved.

  32. [...] ya go Marty, try this mate. Windows Media Player error c00d11b1 solved David Strom’s Web Informant __________________ Is reincarnation making a [...]

  33. uglyskier said

    I clicked on the link in your explanation and unfortunately the ‘upgrade’ button was gray (I couldn’t press it). Do you have any solution? Please help!

  34. Paul said

    thnks #13
    helped heaps

  35. W. Andrew said

    No. 13 worked beautifully. No problems thereafter. Thankx.

  36. meesterperfect said

    Lucky 13, thanks it works

  37. AllBackJack said

    I’m getting C00D11B1, but what’s interesting (and strange) is that it only applies to video files that are on a website. If I have a .mpg file on my computer, it plays fine. If I upload it to my web, I can’t play it from WMP. Yet if I download it from the web, it again plays fine. So it isn’t a file corruption problem.

    I tried #13, but it didn’t have any effect. I’ve tried uninstalling and reinstalling WMP 11 with no improvement. I’m on an XP system. Oh yes, this problem is relatively “new” in that I know it was working 2 months ago. I Restored my system to a few weeks ago, but that didn’t change anything.

    Anyone have any suggestions?

  38. sd89 said

    For people running media player 11 for vista…if you have samsung pc studio uninstall it and media player should work…seems random but works for some reason.

  39. icemanwpg said

    Here’s the Vista Codec Pack: http://www.free-codecs.com/Vista_Codec_Package_download.htm to fix that stupid error that’s keeps on popping up !!

  40. Brad said

    #13 worked for me too! Thanks T. I don’t know how people figure out this stuff, but it sure saves tons of frustrations for us regular users. I already had the coreavc_professional_edition codec package installed which I paid money for but it didn’t do the job. Also, I might add when I got the c00d11b1 error message, in the lower left of media player it said “codec required”, or something similar.

  41. Graferl said

    I had the same problem with VISTA and WMP 11. Solution: A little change must be done in the registry! Very easy:Push the “start” button of VISTA and type “regedit” in the search button.
    Push “enter”. Look for the column HKEY_LOCAL_MACHINE/Software/Microft/Windows/CurrentVersion/Audio
    Double click on “DisableProtectedAudioDG” appearing in the right window. Change number 1 into 0.
    Close registry and restart your PC. It worked.

  42. Tiffany said

    Well I downloaded the #13’s link and it worked, then today I go to play another file and it is coming up with the error again! ??????????????

  43. gygy said

    Thank you Mr T – you the man! (Answer 13) I used K-Lite Mega Codec Pack 3.8.5 (google it) , another codecs package, and it worked , worked, worked, can stream media from internet again. WMP11 sucks. What’s new?

  44. gygy said

    Let me add – I use XP.

  45. Voraz said

    Just wanted to post that I am using
    Vista Home Premium and the Vista Codec pack did not work for me but XP Codec pack from #13 did. Thanks alot.

  46. mikel232 said

    I tried everything without luck before this DRM reset fix
    http://www.netflix.com/pages/previews/resetdrm.exe
    and everything is ok now.
    details @
    http://supportingnetflix.com/index.php?topic=11.0

    best luck to all…..

  47. [...] foutmelding C00D11B1   Windows Media Player error c00d11b1 solved David Strom’s Web Informant en Streaming Errors in Windows Media Player daar steen 2 mogelijke oorzaken en [...]

  48. Lauren said

    i have tried everything suggested here, including downloading and installing all the codec packs, and it doesn’t work for me. my problem isn’t with videos or steaming, it is when trying to play any .mp3 or .wma file on windows media player. 2 out of 3 times i get the C00D11B1 error, the other time it plays fine. it seems to be completely random.

  49. ramy said

    very thanks’ the file DRM is the criminal !!!

  50. Sam said

    Running WMP 11 on XP Professional and getting this error whenever I try to play .AVI files. Any .AVI file. This is on a network that has no internet access, so I can’t just blindly sift through codecs and updates. Any suggestions?

  51. Serena said

    #13 did it .

  52. Jevon said

    Graferl #41 Thanks. It Fixed my problem Yeah!!!!

  53. Antonio C. said

    #46, URDMAN!

    I kept trying to ‘upgrade’ the DRM crap on my WMP11 (XP Pro) and just could not do it. I downloaded the ‘reset’ utility and proceeded to play the video. Voila! The WMP asked me to Upgrade the DRM component and then proceeded to play the video (EUFA soccer video).

    Thanks a million!

    /AC

  54. Chris said

    For months I have been stumped with this problem, and when i downloaded my video clips off my camera and they didn’t work, I knew I had to find a solution, I deleted Media Player 11, which gave me Media Player 9, didn’t work, got Media Player Clasic and all worked fine except when I wanted to make a home movie the files were rejected again by Windows Movie Maker. So I read through this help and when Tara,#17, mentioned a Samsung Mobile Phone, I realised that I installed my Mobile phone’s softwear when I reinstalled XP, and then when sd89 backed it up, I deleted the softwear and YES it worked. Well done guys and thank you. My thoughts are to delete any new softwear that you installed prior to noticing the c00d11b1 notification.

  55. [...] error number is C00D11B1) – seems not really applicable. Some google-ing revealed a lot of pages; this one in particular has a lot of [...]

  56. Itchi said

    Vista home premium user with WMP 11,
    Post 46 Mikel fixed my issue… the support.windows links were invalid, hold onto the program tho because the DRM will likely get corrupted again… stupid wmp

  57. Troy said

    Thanks for the help guys and girls. Downloading the XP codecs worked for me as well. Good luck with all.

  58. TheHappiesManOnEarth said

    Thankxxx Number 13, you just saved my computer from been thrown out of the 36th floor into the street on the 5th avenue.
    And probably been broken to pieces, which means you just saved me a whole new computer to buy for my girlfriend + the embarrassment of breaking, punching and destroying her PC.

    We thank you

    Usher Mor & Jessica Donaghy
    NYC

  59. manny said

    this is very simple,this is how i fix this error
    For people running media player 11
    Windows Media Player error c00d11b1 solved

    1-open your windows media player 11
    2-righ clic on top to open diferent options
    3-clic on tools then clic on options
    4-when you see the options clic on file types
    then select all file.
    this will fix the problem

    the problem is for some reason(avi-mp3-options is uncheck and this is the reason for that error. when you check all box in file types will fix the problem and you can play avi-mp3 or any file abailable wiht your windows media player 11.

  60. James said

    Thanks for the tip.

  61. Computers mess up far too much! said

    Graferl (#41),

    Your instructions got it working for me!

    I was suddenly unable to play songs from my Switchfoot – Nothing Is Sound CD and was quite stressed as a result of.

    Thank you very much for taking the time to post how to rectify that.

    If anyone would be so kind, would someone mind telling me exactly why all of a sudden my registry was altered, resulting in being unable to play the songs from the CD?

    By the way, the CD was DRM “protected.”

  62. Labmom said

    #46 Thank you. I tried once, got an error, rebooted and tried again – the DRM reset was successful the second time and I am now able to play downloaded music on WM 11 after several hours of searching for a solution!! Thank you again!

  63. w00t w00t! said

    #13, you rule!

  64. Douglas said

    I followed the original post and it didn’t seem to work, however I rebooted and it worked. Thank you!

  65. Douglas said

    Then today I attempted to listen to some tunes (after powering up) and it’s giving me the error. So whatever I did on 6/11, was not permanent or has changed.

  66. Pogi heLP fuLL said

    ellow 2 all pips…, i know some ppl stil not fixed this kind of.., lets jus call it “bad mood” :P
    to all runin WIN. XP and w/ grapic card! like kevin#13 sad its all about DIrectX toO.,, o_O

    SULUTION:
    install again your graphic card DISK.
    RUN costum
    Uncheck all eccept DirectX “ENTER”
    Install…,
    restart.., and thats it you can play your mp3.avi.ect
    and absulutely sleep HAppY w/ smiling FaCe :)

    xxxK3NJ1xxx A.K.A Comm of Commanders

  67. Douglas said

    This is driving me nuts. I’ve tried everything here. Whether it works or not is totally random. To get WMP working, I have to reboot and try, reboot and try, until eventually it works.

    What’s really bizarre is that I’ve got two nearly identical machines. One is running 32-bit Vista Home Premium (problem one), the other 64-bit Vista Ultimate (no problems).

    The media I’m trying to play is all CD’s ripped by WMP, or wmv files (movie and game trailers) downloaded from the web.

    This Vista HP machine is clean, I recently formatted and re-installed the OS, ran all updates (maybe the problem). This exact same computer running the exact same OS (pre-wipe) worked perfectly. It’s got to be one or more of the updates installed (pre-wipe I had not installed many updates).

  68. instale el nuevo reproductor windows media player y de repente varias peliculas no se reproducen y me pone cerrar o ayuda en la web.le doy a ayuda en la web y me sale lo siguiente:error C00D11B1
    alguien me podria decir por favor que es y como puedo solucionarlo
    intale la actualizacion y nada instale el nuevo reproductor windows media player y de repnte varias peliculas no se reproducen y me pone cerrar o ayuda en la web.le doy a ayuda en la web y me sale lo siguiente:error C00D11B1
    alguien me podria decir por favor que es y como puedo solucionarlo

  69. kevin said

    thank you so much number 13 that really helped me a lot!

  70. NimWee said

    Yep. Working offline worked!
    My problem was it wasnt working for one specific avi file. all other songs worked.
    Thanks #25

  71. william gates said

    Clearly Microsoft does not care — there are thousands of posts on numerous forums offering solutions some of which work some of the users all of the time, some of the users none of the time or for some users some of the time. I uses Vista and XP on different computers – WMP11 WMP10 and have spent numerous hours trying to resovle. I am not comfortable downloading Codecs unless the links are on the microsoft site — next option — try Apple

  72. c00d11b1 said

    [...] road, take … This entry was posted on April 6, 2007 at 2:18 am and is filed under digital home …http://strom.wordpress.com/2007/04/06/windows-media-player-error-c00d11b1-solved/Microsoft DRM issues: C00D11E2, C00D11B1, C00D11D0, C00D2748With the edition of Netflix’s Copy [...]

  73. Excalibur212 said

    *** DRM SOLUTION **** Regarding C00D11B1 (the DRM error), everyone is focusing on the wrong thing! As soon as NetFlex tech support told me it was a PROFILE issue and that the only way to fix it was to create a new profile, I knew there had to be a better solution. A little googling revealed this simple fix (worked for me with Vista and Dell XPS200 with ATI Radeon X600 after installing latest drivers from ati.com):

    In Internet Explorer, click Tools – Internet Options – Advanced – Reset.

    Presto. No more DRM problems. Obviously it’s an IE issue. So much for NetFlix tech support and 1000’s of forums with all these convoluted steps. I figured this out on my own in about 10 minutes. I called NetFlix tech support to let them know. ;-)

    Note: Make sure you back up your settings, bookmarks, toolbars, etc. first just in case. However, the only things you really lose of value are your cached URL’s & cookies (i.e. saved password, forms data, etc). If you use a password manager like RoboForm anyway (which you should be using), then you won’t even notice. You can even re-enable your disabled IE add-ins and plugins after this resets them simply by going to Tools – Manage Add-ons – Enable or Disable Add-ons. No need to even reinstall the apps! How’s that for a 10 second fix to something people have been blogging about for a year? ;-)

  74. Mark said

    NICE! I wasted a good two hours trying to solve this problem. Your suggestion took all of 30 seconds to fix my Media Player problem. Thanks!

  75. Sathish said

    Friends i am also facing the same problem. How do i rectify it. I am unable to play the .3gp files on my laptop. kindly advice. i followed the forum instructions to delete those C:\ProgramData\Microsoft\Windows\DRM\ but i am unable To find the DRM

  76. Mike said

    I had a customer who had this same issue but all of the above suggestions thus far did not cure the problem but here is what I did …. open media player, Right click on the upper left media player symbol, go to tools then options then click on the network tab and uncheck UDP. click apply then OK.

    This cured the c00d11b1 error when trying to play some online videos.

    • Joe said

      Was unable to stream a particular online video in WMP 11( XP with SP3 and MS updates through 10/09 ) Did #13. Not fixed. Did #59. Not fixed. Did #76. FIXED!

      Thank you Mike!

      Note: In this WMP 11 I clicked on “Tools” (because I have the optional “Show Classic Menus” bar diplayed), then clicked on “Options”, then clicked on the “Network” tab, then unchecked “RTSP/UDP”. Click “apply”. Click “OK”.

      • NiKKaBoo said

        Ooooh you little beauty! I’ve tried dozens and dozens of ’solutions’, have spoken to 5 different IT experts and number 76 fixed it for me! Give that man a medal!

  77. AJ Raymond said

    regsvr32 quartz.dll <— worked for me. I tried every single solution above beforehand…. no luck on any. I *did* have Samsung Studio installed but SD89’s fix was a no go.

  78. alison said

    I have the same problem and was advised by tech help on website to try the following
    “regedit” in the search button.
    Push “enter”. Look for the column HKEY_LOCAL_MACHINE/Software/Microft/Windows/CurrentVersion/Audio
    Double click on “DisableProtectedAudioDG” appearing in the right window. Change number 1 into 0.
    Close registry and restart your PC.I could only get as far as’current version’ there doesn’t appear to be an ‘audio’ here.

    Any suggestions, please?

  79. Lesly said

    I also get this annoying message when I try to play a mp4 movie. I’ve installed a program which recognises the codecs the movie you want to play needs. It says that I installed the correct codecs, but it still won’t play. I’ve tried almost everything..
    Can anyone help?

  80. AJ said

    I’m on a Windows XP SP3 system. Tried everything on this page, and nothing worked. Found this somewhere else and FINALLY, my Windows Media Player 11 is back to normal. ♦ Click start, run • type in: regsvr32 quartz.dll • press enter ♦ ··· The fix was immediate – no system restart required. GOOD LUCK! :)

    • bomb_one said

      OMG!!! it worked. its been like TWO weeks i’ve been trying to figure this thing out. I’ve tried everything… I was getting worried, thought maybe mikrosoft sent out some kinda bug to stop us music lovers haha.. I couldn’t understand why Itunes, Winamp and every other media player worked EXCEPT for Windows Media Player 11, 10, AND Classic… Sheesh. I gotta praise Allah for that one. Thank you

    • Thank YOU so much! said

      I tried it all, and that the only thing that helped me.
      Thank you again!!

    • Johan said

      I can’t believe it worked – I’ve been battling on and off for months now! Thanks!

  81. Cliff Peat said

    Thanks #13 (whoever said 13 was unlucky?)

    The download worked on my XP system.

    Cliff

  82. zozo said

    # 80 I have tryout everything but your proposal was succeed. There is one thing you have to think about… You have to Seek for quartz.dll on your harddisk and then when you find the file quartz.dll on the C:disk usually in Windows map C:windows/system32, then you have to run (regsvr32 quartz.dll, it´s works for me. You are the best #80

  83. Josh B. said

    I tried everything above and could not get any streaming audio to work. So this is what I did.

    I went to Add/Remove programs, and unistalled WMP 11 and restarted the computer. Then unistalled WMP 11 runtime and restarted the computer.

    Next I ran WMP which happened to be version 9 … after setting it up, since it rolled back from version 11, I closed it and downloaded version 10 from the microsoft website. After installing and setting it up for the first time, take these couple steps:

    Open WMP 10

    Click on the arrow pointing “down” beside the minimize button.

    Select “Tools”

    Then “Options”

    Next, click on “Network” and uncheck “UDP” then click on “Apply” and “Ok” …. close WMP 10 and now go ahead and click on an audio stream from the web. It works! Alot of steps but at least it works now!

  84. Lynne D said

    mikel232 #46 Thanks so much for this:

    http://www.netflix.com/pages/previews/resetdrm.exe

    This worked for me!!… tried all the other ideas but they wouldn’t work for me. Well happy now!!

  85. Bud said

    thank you SO much to everyone and their posts on here. you have ALL helped me out in the biggest way. i can finally use my pc again! # 46 an #80 were my fix. again thanks SO SO SO much!!

    -Bud http://www.gamecasa.net

  86. Michelle said

    I’ve recently tried playing an Xvid movie and it required me to download the codec and also the Xvid program on my computer. The movie played fine, but afterwards when I tried playing movie clips from my camera, the error message C00D11B1 kept popping up and the vidoes would not play!

    Does anyone know if the error has anything to do with recently downloading the Xvid codec?

  87. MS Lady said

    Bless you #46…..Works like a charm!!!!!

  88. Cuda said

    THANK YOU #46!!!! I tried everything up to that point and nothing worked…but #46 did the trick.

  89. Niagara said

    My problems started with the recent automatic updates to Vista Home Premium that seemed to take a couple of hours to install. First thing I noticed was that I suddenly no longer got audio warnings when I rec’d e-mail,msn messages,or when a contact comes on msn,all other alerts work. Visual ones are fine. Next thing I find that WMPlayer no longer wanted to play back the recorded videos in my Acer Orbicam library.I just got ‘the message’. Now I can’t even playback a wmv file I rec’d in a e-mail from a pal.I have tried almost everything suggested here and nothing has worked and I doubt if anything will work permanently. This is Microsoft being it’s usual cynical self I reckon, They have modified my OS to exclude proper use of things it has an argument with and didn’t ask me if that was OK or even tell me that it was going to happen if I agreed to the updates.I hope someone finds a universal solution soon as this is growing and growing and is global. Some ’smart Alec’ really screwed up big tis time! Help!!

  90. Nixmit said

    mikel232 #46 Thanks so much! ! !

    This worked for me, after I tried all the other ideas but they wouldn’t work for me.

  91. Kris said

    This solution worked for me after trying all others on this site. I got it off another site:

    If you have no sound on your computer, try these steps:
    Left Click on the Start button.
    Right Click on My Computer
    Left Click on Manage
    Left Click on Services and Applications
    Left Click on Services
    Scroll down the list to “Windows Audio”
    Then Click on “Start the Service”

    This will work

  92. Nick said

    Here is a solution that worked for me.

    System : XP Home
    Same error as above stated, C00D11B1 for all media files, cant stream live radio.

    I uninstalled Windows Media 11 n 10. Then got about uninstalling all the security updates for Window media.

    Reinstalled WMA 11, it just started working fine again. Hope this presents another solution for those having difficulties.
    PS: I wont be installing any of the updates for WMA anytime soon.

  93. Emil said

    ty mikel232 (46)

    Solved my problem :D

  94. Jeff in Seattle said

    FIX C00D11B1: When WMP 11 does not play any audio

    I had problems with Windows Media Player (WMP 11) which did not play CDs (Error C00D11B1) and WMP’s Speaker Properties Crashes.

    I have a Sound Blaster Live! 24-bit Audio Card running on Window XP SP3.

    I have no problem playing audio CD through my Sound Blaster Live! 24-bit card with: Real, iTunes, and Macrovision CDS-200 Player. Nor do I have problems with audio when watching Flash clips on YouTube.

    PREREQUISITES:
    1. Update audio drivers. I had updated my drivers from Creative Labs site.
    2. Validate audio CD can play with other players: iTunes, Real, or Macrovision CDS-200 Player, etc.
    3. Have “Windows XP” installation CD available.
    4. Audio CD (not one that pops up Macrovision CDS-200 Player, a player that comes with some audio CDs).

    FIX:
    A. Remove WMP 11
    1. Start > Control Panel > Add or Remove Programs
    2. Uninstall both “WMP 11″ and “WMF 11 runtime”.
    3. Reboot

    B. Remove WMP (9) component from Windows XP
    1. Start > Control Panel > Add or Remove Programs
    2. Select Add or Remove Windows Components
    3. Uncheck “Windows Media Player”, select Next button, allow uninstall to complete.
    4. Reboot

    C. Reinstall WMP (9) component into Windows XP
    1. Insert into CD Drive the “Windows XP” installation CD
    2. Select in Welcome pane: “Install Optional Windows Components”
    3. Check “Windows Media Player”, select Next button, allow install to complete.
    4. Reboot

    D. Try playing audio CD with currently re-installed WMP (9). It should work.

    E. Reinstall WMP 11 into Windows XP
    1. Install WMP 11
    2. Reboot

    And VOILA, for me, the problem is gone!

  95. aw said

    I’ve tried the registry edit, but can’t find “audio” after “current version”. I’ve tried the Netflix DRM reset- no good. I’ve tried unchecking UDP in WMP- no good. I’ve tried the IE reset- no good. Can anyone tell me how to fix this error????? Everything worked fine until Windows downloaded an update.

  96. hr said

    Don’t use Firefox for the upgrade link. That’s why the upgrade box is grey. You have to use IE.

  97. Clare said

    Hello everyone!! I’m using Vista Home Basic and after installing SP1 I got the dreaded error when playing ANY mp3 or wma music.

    Here’s how I fixes the error:

    In WMP -> TOOLS -> OPTIONS -> DEVICES -> SPEAKERS (Double click) -> ADVANCED -> Then “set default” to the Speakers or just play around with these options.

    I did also download the xp/vista codec pack above, so it may be a mixture of these solutions :)

    Good luck everyone! *Rocks out*

    Note on the above- yes Microsoft does’t like you using Firefox using their websites. It’s unethical isn’t it?

  98. Christina said

    Comment #13, you are a lifesaver, i worked on trying to fix windows media player for weeks. i tried your suggestion after hours of not getting anywhere and within minutes, it was up and running. thanks.

  99. Raj said

    hey.. whats up.. you can fix this c00d11b1 by just downloading the codec from xvid..

    the main cause is your missing a xvidcore.dll and i dont no how i found the solution or it was just luck but it worked for me when i installed that

    the link for that site.. is
    http://www.xvidmovies.com/codec/
    from there install the right windows or mac and you should get it.. sorry.. if it styll dosnt help you.. but it worked for me..

  100. one click fix said

    One solution without doing pointless things, check this link basically update and it will all fix…………………………………………………………………………………..http://errorc00d11b1.blogspot.com/2008/12/errorc00d11b1-fix-me-please.html

  101. Karina said

    Thank you so much!!! God bless you!!
    The link didn’t work for me, the media player keeped saying “can’t open file” but your suggestion about a security update make me look in “Add or Remove Programs” at the Control Panel and there it was… “Security Fix for Media Player”, so I removed it and now it’s working just fine.

    So thanks againg dude! Keep the good work!

  102. kenneth sadora said

    #80 and 81… ur made it…. thanks a million…… search quarts.dll first then copy to c/windows/system 32…then run the regsvr32 quartz.dll…… if it succeed then it all ok

  103. Awesome-tastic, I say! said

    WOO-HOO! #97 rocks! I’ve been struggling with this for a while now, but I changed my speaker setting and it came out awesomely. Hopefully it stays that way… >_> But Fantafferistic!! ^_^

  104. brazostodd said

    For Vista-based WMP 11, #46 (Netflix reset DRM) worked. …Followed link, downloaded & ran program then restarted computer. Upon attempting to open a video file in WMP11, was prompted to download & install an update; did so, and program works fine now. Tried other suggested fixes (e.g. download & install Codecs, registry edit, etc.) first, but none worked. Finally, with the “netflix reset DRM” suggestion (#46), all works well now.

  105. David said

    Uninstalling and reinstalling WMP11 on a WXP worked for me … this, before doing all steps in this post. I used the link at the beggining of the post, installed codecs for XP, uninstalled WMP11, used the regsvr32 quartz.dll command line, and finally installed again the WMP11 downloaded from the Microsoft site, and it worked!!! So, something worked, but I don’t know what made it work. Good luck with your tests!

  106. CConkle said

    REGSVR32 on quartz.dll worked for me on the error while playing local and cd based content.

  107. Avital said

    I am running Vista with WMP 11. I am trying to run an online class CD that has embedded videos. They are supposed to play through WMP11 and have been updated for Vista by the company. But none of the videos work in WMP. I get alternating error messages, either C00D11B1 or C00D1199.

    Does anyone have any solutions? I have tried both Vista and XP codec packs, Xvid and DivX codecs, etc. to no avail.

    Thanks in advance!
    Avital

  108. magic mike said

    blah blah blah, nothing worked, but i figured it out, after several cups of tea, couple of packs of smoke, and a headache. installed windows media player 10, (11 sucks ass) clicked on options, top right hand corner, next to the minimize button, went into TOOLS, the options. Click on network and UNCHECKED UDP bullshit, apply ok and hey presto works just fine, i can now watch my kick ass arsenal team do some damage. good luck

  109. Wendy said

    I have been trying to trouble-shoot my computer so I could play internet media files for months. You solution was so simple…as simple as a sinlge click.
    Thank you!!!

  110. mav254 said

    i have a problem guys… and this is going to puzzle you… i have an emachines 2000+… (amd athlon xp… 1.6ghz pros… and with (2) sticks of 512mb… or 1gb ram… and a nvidia 6200-le vid card… brand new out of the box 6 months ago… and it’s a agp video card, now… when i start playing games… it just freezes… there’s no spyware… adware… bots… or viruses on computer… any suggestions? it’ll do fine if i’m in windows… playing dvd… or mp3… but once i put a load in the vid card… it goes bonkers??????? some times it’ll restart for no reason too.

  111. TrojanAR said

    Tried all of the above.
    #46 mikel232 you are THE MAN!!!!!
    After all the codecs, registries, and looking for folders, that one simple reset DRM file did the trick. Thank you so much!

  112. Sarje said

    #77, Yay! after 76 failed tries! Thanks a lot.

  113. MC said

    #46 WORKED FOR ME!! =)

  114. chilli said

    just play it throu VLC media player ,IF YOU DO NOT HAVE IT jus download it its free install it and play the latest formats throu it ,much better quality,and sound then WMA windows media player

    • Blargh5867 said

      i have vista with wmp 11, and if you just play it through vlc it works. thank you chilli

      • Blargh5867 said

        nevermind…
        when i played it through vlc it said”This AVI file is broken. Seeking will not work correctly. Do you want to try to repair it (this might take a long time)?” When i clicked yes, the video played until 3 minutes, when it abruptly shutoff. The same happened if i clicked no.
        i am confused…

  115. Peggy Forster said

    This fix worked great for me. No more error code and my MP3’s play in Windows Media Play again. Thank you!

  116. N said

    I have vista and WMP 11 and number 13 worked for me. While installing the codec program an error box came up saying I couldn’t update, I clicked ignore and its now working just fine.

    Cheers 13

  117. Linda said

    omg #73 worked for me THANKS SO MUCH!! (:

  118. Pat said

    I have XP and #13 was the charm. Thank you :)

  119. Jack said

    … No Fix, Need Help.
    I Have Vista 64 Bit (Home Premium), 1.83(x2) E6300 Processor, 4GB of RAM, 320GB Hard-drive.
    Everytime i try to play WMV’s It Says my sound drivers are out of date (which they arnt) (aka error c00d11b1)
    All Solutions Above Dont Work, NEED HELP NOW.

  120. Dj Kondor said

    Ey guys, I have the real solution to this issue in WMP 11, or older versiones, actually I’ve tried EVERY SINGLE solution the other guys above wrote, but NO ONE worked for me, so I tried to fix by my self, I just formated my pc and put a Ghost Image I’d already created months ago,and then I reinstalled the drivers but the error was still coming out, so to make a long story short, I just downloaded THE DRIVERS OF VIDEO AND SOUND from the webpage of the manufacturer of my MOTHERBOARD, not the ones included in my cd, because they aren’t compatible.
    The question is, why couldn’t I’ve done it before?? the reason is simple and the answer is the same.
    ——
    If you downloaded generic drivers, or if you are using a software which upadte your drivers like DRIVER GENIUS or OTHERS then you must install all the real drivers who came with your CD or check the model of your MotherBoard and google it.
    ——
    That works very good for me, I think the above solutions are great but they work with WMP 11 with XP no with vista, I think…

    IF YOU DON’T UNDERSTAND ANY OF MY WORDS IS BECAUSE I’M SPANISH AND I’M LEARNING ENGLISH sORRY
    ****
    If you don’t know how to get the drivers of your PC or Laptop just put a reply and I’ll explained to you as quickly as I can

  121. Johnny Bravo said

    Hello:

    I tried most of the above suggestions, but unfortunately, neither worked for me. What solved my problem was a download of the TecSmith Screen Capture Codec (TSCC). The AVI file I was trying to play was created with Camtasia Studio’s TecSmith Screen Capture tool.

    It can be downloaded from here:

    http://www.techsmith.com/download/codecs.asp

    • Victor said

      I solved this error by selecting the option to allow WMP 11 to receive data on ports 7000-7007. I can reproduce the error immediately by unchecking that box in the network options tab.

      • ByGum said

        Thanks Victor,
        After hours of trying everything under the sun opening the ports did the trick.

        Thank you again.

  122. Toast said

    Running Windows7 RC here, and the XP Codecs (#13) worked for me. I didn’t try the Vista codecs based on comments from people running Vista not being fixed with it.

    Thanks guys!

  123. Tim said

    G’day,

    MUST TRY THIS!!!
    What a hassle this has been, but thanks to your site, after hours and many attempts, #46 did the trick. I was concerned about using it but it worked lightning fast. Mikel232 is a legend.

    Good Luck.

  124. KC said

    # 13 did the job for me, so much for being unlucky, thanks T

  125. Ric_mexico said

    if don’t work anything …. answer:

    wmp – tools – options – devices – speakers – performance – check or uncheck Use 24 bits – apply

    WORKED FOR ME … (Sony vgn-fe770g with XP MCE and WMP11)

    Good Luck from Mexico.

  126. Shannon said

    #46 worked for me, im running wmp 11, vista 64-bit….

  127. naida said

    I had similar problem on Vista…couldn’t play MP3 files by WMP…kept getting the same mesage…anyway I solwed my problem by uninstalling Nokia PC suite…somehow it worked…it seems that there is some driver conflict when Nokia PC S is installed…hope it workes for someone else

    Naida

  128. George said

    Brand New Sony, Vaio, with Blue Ray Player, WMP11, Vista – wasn’t getting sound when playing DTS.x264-hV or BluRay.x264-hV files
    went to http://www.majorgeeks.com/Vista_Codec_Package_d5326.htmland downloaded the latest vista codecs.

  129. WolfEnd said

    WINDOWS MEDIA PLAYER 11 – Error C00D11B1 – Solved.
    If you can play some MP3 songs but not all your songs and you got this error by Microsoft:
    http://www.microsoft.com/windows/windowsmedia/player/webhelp/default.aspx?&mpver=11.0.6002.18005&id=C00D11B1&contextid=71&originalid=C00D0BB8

    You should try this: http://www.mp3tag.de/en/download.html

    This is a great FREE tool, just edit all the songs that you can not play with this tool, adding all them and filling up all song information, and you will be able to play your MP3 again.
    Please Donate something to the creator. What is 1 Dollar?

  130. WolfEnd said

    Testing more this Tool MP3TAG I found out that is you just open the folder with your MP3 music, once all your mp3s are listed on mp3tag, CTRL + A to select all or go to Edit and then select all, them CTRL + S or got to File and click on Save Tag, close program and you can play now your MP3 files.

  131. Steve Blalock said

    #91 worked for me….I am running vista and wm11….and nothing else on this page would fix it…but #91 did.
    thank you

  132. Adam said

    Worked! #80 & 82 regsvr32 quartz.dll, after numeric attempts to fix this problem. Yes, please locate the quartz.dll and copy to windows/system32. Thanks.

  133. april said

    im using HP/vista and tried everything suggested here but didnt work, then i just get a sound device update from HP website. i should have done this first before anything else. hope it works for someone else.

    • Arthur said

      I’m using HP Pavilion dv6 notebook and Vista home. I had problem same as all of you for 5 days already,”Error C00D11B1/Audiodg.exe ” i’ve tried everything, none of the above solve it, this one fixed everything, just download from the hp.com the right driver(IDT High-Definition Audio CODEC Driver) and restarted my pc, and wala! I’m having a great time playing starcraft and counter strike again! Thanks you so much April!

      at last after all the time and headache i’ve been through. :) )

      • Kikz said

        It did give me a pretty big headache, good thing it is over.

        Oh yes!!!!!!!!!! It worked. I tried #41, #59, #76, #91, #97 and #108 suggestions it did not work. I was about to try #46, #80 & #82 suggestions when I stummbled on your solution. Now my Windows Media Player 11 works just fine same as my Windows Media Center they are just working perfectly.

        I don’t know why are there so much solutions for just one common problem.

        Well, anyway, just try the suggested solutions that will be applicable for you.

        Thanks a lot April and Arthur and Good luck to all of you. Godspeed everyone!

  134. matt said

    #97 ur awesome, i set to default because there was some kind of problem and all is well. i’ve been tryin to figure this out for months!

  135. infamous said

    Solution 13 worked for me I rendered on a win x32 bit avi and I am now on a 64 bit couldnt get get the 32 bit avi files to play answer is you need 32 bit codec solution 13 worked for me perfect

  136. Found said

    Thanks so much, using the XP codec package fixed mine. I have a Vista Home and I’m an avid wmp user so this was a lifesaver. (:

  137. mark said

    works for sure.

  138. dave said

    everything in here didnt help me.i still get this error.please help.

  139. Aussie Blue Sky said

    “T” @ Post #13 fixed my problem like magic. I’m thrilled to bits. Thanks again to the caring, sharing IT enthusiast community – you contribute all the time to my personal growth! :)

  140. Roar - Norway said

    #133 Worked for me! Thanks! I tried # 13, 46 and many more – but no one worked for me! But # 133 gave me the sound back – thank you again!

    Wmp 11 on Vista 32 – on a HP DV6 1100so.

    • Translator said

      Hi,

      Can you describe how to make the sound device update from the HP site? I got also an HP DV6 with WMP 11 on Vista. Thanks!

      • Kikz said

        Go to hp.com, on the top selections click “Support & Drivers” you will see step 1, tick “Download drivers and Software”. Go to step 2 enter your product name/number, as for me I own a HP Pavillion dv6 1240ea. Then enter, select the operating system you are using, as for me again I am using Windows Vista 32 bit OS. You will see immediately the Driver-Audio IDT High-Definition Audio CODEC Driver. Click it and click the download button. After its downloaded to your computer/lap top look for it in one of your folders. In my case it went to the downloads folder. Open the file, accept the terms and conditions, install it, follow the instructions, after intalling it restart your computer. And your Windows Media Player once again works. I hope this one works for you.

        Good Luck to you Translator.

  141. DRM Madness said

    I cut and paste the link in IE. It worked!!! I’m now able to play all my subscription songs from Zune using Windows Media Player, but I having problems with Windows Media Center. I’m having the same error message.

  142. nateiscrazy said

    I’ve tried all the above, I am still getting the error, I have a Dell xps 420 that I purchased from the company about a year ago. I update the computer regularly and I just cant seem to get it fixed, heck, It was working just fine and I had watched a dvd, and a video online and I left for a few hours and when I returned, nothing would play, dvds, avi, although a few mpgs will play, almost none of them besides a couple I had in a folder will play, any help? I dont know what else to do, i’m using windows vista, internet explorer 8 just went in and windows media player 11.

  143. VistaBen said

    Holy crap! After all this work I finally got it!

    Running a 64-bit Vista with WMP11. Been having trouble with this since Monday.
    #1. Watch out for some of these posts-the one that links you to some shark thing is especially bug-ridden!

    #2. I ran some of the other DRM cleaners and what not, but mine got fixed by post #59… kinda (I have no idea what file piece you’re talking about!)

    Basically I opened WMP, right-clicked the top of it (By the Now Playing button, etc)…
    2. Choose “Tools”
    3. Go to “Options”
    4. Click the “Devices” tab
    5. Double-click “Speakers”
    6. Click on the “Advanced” Button
    Here’s where it gets interesting. Mine was trying to play audio through “Independent (R.T.C.) Headphones”, and as soon as I clicked the “Advanced” button, WMP flipped out and said something to the effect of “Holy s—! This audio output doesn’t work!”
    7. I changed mine to “Speakers/Headphones” (IDT high definition audio CODEC)

    Tada! Now I can play my music and movies once more! Hope this helps!

    P.S. I know some of my audio drivers might not be the basics, so modify the audio output choices as needed.

  144. hessen said

    man i tried 2 do what u said Graferl but i cant find ” audio ” under the ” current version ” so i cant do it plzzzzzzzz help this thing is driving me crazy and i cant use my laptop

  145. hessen said

    i did a compination of 13 and the reset drm and the 133 and also the vista codecs and it workeeeeed guys cheeeeeeeers :D

  146. Thiago Emanuel said

    I use windows 7 and was having this error too. But in my case it happened only in two specific avi files. I solve this installing the xp codec pack.
    Thx for all!

  147. b said

    I’ve tried many of these “solutions” none of them work.

  148. cindy said

    I have problem in playing downloaded video files above 20,000kb on window media player and also htm file on firefox. I have downloaded codecs and installed shockwave, enabled activeX, etc but I still can’t play these files. Those downloaded files below 20,000KB can be played on window media player with no problem and I can also play all files sizes direct online.

    Can anyone help me on this, please?

  149. Alex said

    THXX TO #13!!!!!!

  150. mateogreat said

    http://www.free-codecs.com/Vista_Codec_Package_download.htm i went there and it solved it all for me

  151. simim said

    The only way I could get audio files to play (same Realtek high def audio)in wmp 11 vista
    was to open ControlPanel, Sound, click on Speakers (Playback tab), Advanced,
    and untick Exclusive Mode “All applications to take exclusive control of this
    device”

  152. [...] the same error message. 6) "Windows Media Player error c00d11b1 solved" looked promising http://strom.wordpress.com/2007/04/06/windows-media-player-error-c00d11b1-solved/ And I downloaded uknown drm related files from the link Security component upgrade given. Files [...]

  153. Jeffrey S. said

    But mine is Windows 7 and using Media Player 12!!! Playing through my Divx-encoded avi-files and they’re giving me errors with the error code C00D11B1!

  154. Don said

    Ihave vista home pre and media player11. Unintalled program “idt audio” and reinstalled MS sound drivers. Sound now works perfectly.

  155. Daniel said

    Well I tried EVERYTHING on this site, and nothing worked. I can’t play AVI files, everything else works fine…

  156. Daniel said

    YESSSSSSSSS! I was about to give up, and then I installed another CODEC PACK and it worked! Here´s the link

    http://www.free-codecs.com/K_Lite_Codec_Pack_download.htm

    I chose the FULL version, and during the process it uninstalled the XP codec pack that worked for so many (answer 13) and it FINALLY WORKED! Thank GOD! Good luck all :)

  157. Schweizer said

    After Upgrade to Windows 7 with WMP 12 I can no longer play legally bought wma music from Nokia Store. None of the before mentioned methods works. Microsoft is no help. Has anyone an idea what do do?

  158. Yvonne said

    I have been trying to play a wmv without success due to this error code.
    I have Vista and WMP 11. I’ve downloaded the codecs as suggested, rebooted and also reseting the DRM, now it looks as if Ive lost the licence as it now says all activations used.

    Any advice anyone? Not sure why nothing worked.

  159. Arthur said

    # 133 saved me from killing myself..lol

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  161. Fred said

    #4 worked for me (but if you’ve got Vista 64 you have to install the 32 package first and then apply the patch for 64). Thanks Sri.

  162. Frogg said

    A few simple steps:
    Start -> Run -> regsvr32 quartz.dll
    done!
    I spent 5 hours figuring this out. Thank you to all the forums.

  163. dim said

    Windows 7 x64 + wmp12
    Can’t play .wmv (Windows Media Player encountered a problem while playing the file.)
    Nothing above helped :(
    Anyone have new idea?
    Thanks)

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