This list contains all of the known Microsoft Knowledge Base articles, howtos, fixes, hotfixes, webcasts and updates of Microsoft Windows Media Player 10 that have been released. The list is daily updated.
- 973540 MS09-037: Description of the security update for Windows Media Player: August 11, 2009 Q973540 KB973540 January 25, 2021
- 961047 After updating WMP you an error from wmploc.dll about the version number being incorrect Q961047 KB961047 January 25, 2021
- 936782 MS07-047: Vulnerability in Windows Media Player could allow remote code execution Q936782 KB936782 January 25, 2021
- 916249 Error message when you use Windows Media Player 10 to play online media files: "C00D11DA - Windows Media Player cannot play, synchronize, or burn a protected file because an error occurred while verifying the license" Q916249 KB916249 January 25, 2021
- 843509 Resources for troubleshooting issues in Windows Media Player Q843509 KB843509 August 20, 2020
- 316992 File types supported by Windows Media Player Q316992 KB316992 December 17, 2019
- 941197 After you apply security update 936782, you cannot open.swf files in Windows Media Player Q941197 KB941197 November 6, 2019
- 326725 Problems with Windows Media Player Full-Screen Visualizations on Your Secondary Monitor Q326725 KB326725 April 20, 2018
- 924073 Error message when you play a file in Windows Media Player on a Windows Vista-based computer: "Invalid File Format. (Error=8004022F)" Q924073 KB924073 April 18, 2018
- 940893 How can I disable changes in Windows Media Player that are introduced after I install security update 936782? Q940893 KB940893 April 17, 2018
- 891664 You may be unable to play protected content after your computer hardware changes Q891664 KB891664 April 17, 2018
- 883831 A client may not be able to connect to multicast streams or to other User Datagram Protocol streams through Windows Firewall by using Windows Media Player Q883831 KB883831 April 17, 2018
- 306331 Supported software MPEG-2 DVD decoders in Windows Media Player for Windows XP and Windows Vista Q306331 KB306331 April 17, 2018
- 279242 You receive an error message when you try to play an .avi file in Windows Media Player Q279242 KB279242 April 17, 2018
- 278960 How can I enable or disable automatic updates in Windows Media Player? Q278960 KB278960 April 17, 2018
- 243621 How to delete the recent play list from Windows Media Player Q243621 KB243621 April 17, 2018
- 2395168 Basics about videos and video codecs in Windows Media Player Q2395168 KB2395168 December 11, 2017
- 190990 How to determine the version of Windows Media Player Q190990 KB190990 October 27, 2017
- 891122 An update for Windows Media Digital Rights Management-enabled players is available Q891122 KB891122 March 30, 2017
- 888656 FIX: Update to enable DirectX Video Acceleration (DXVA) of Windows Media Video content in Windows Media Player 10 Q888656 KB888656 March 30, 2017
- 921140 How to install the ISO MPEG-4 codec version 1.0 for Windows Media Player 10 Q921140 KB921140 March 29, 2017
- 899113 The default codecs that are included with Windows Media Player 9 and with Windows Media Player 10 Q899113 KB899113 March 29, 2017
- 892552 The Windows User Mode Driver Framework service (Wdfmgr.exe) appears in Windows Task Manager after you install Windows Media Player 10 Q892552 KB892552 March 29, 2017
- 892313 FIX: Updates for Windows Media Player 9 Series and for Windows Media Player 10 Q892313 KB892313 March 29, 2017
- 886540 Description of Windows XP Home Edition N and Windows XP Professional N Q886540 KB886540 March 29, 2017
- 909554 The screen may appear black or green during playback when the Windows Media Player control is embedded in a Web page Q909554 KB909554 February 15, 2017
- 927389 The backup program may fail or may incorrectly include DRM protected files in your backup Q927389 KB927389 December 9, 2015
- 926251 Windows Media Player 10 error message on a Windows XP Media Center Edition 2005-based computer: "A more recent version of Windows Media Player is already installed" Q926251 KB926251 December 9, 2015
- 922042 FIX: Windows Media Player 10 may unexpectedly close when you try to view the license information for WMDRM-protected content Q922042 KB922042 January 17, 2015
- 912452 FIX: You cannot enter full-screen mode on a second instance of the Windows Media Player ActiveX control Q912452 KB912452 January 17, 2015
- 900399 FIX: The Web Proxy Auto Discovery file may not be automatically downloaded for the Real Time Streaming Protocol and for the Microsoft Multimedia Streaming protocol in Windows Media Player Q900399 KB900399 January 17, 2015
- 893240 FIX: It takes a long time to send metering data when you use Windows Media Digital Rights Management in Windows Media Player 10 Q893240 KB893240 January 17, 2015
- 889136 FIX: "0x8004020D - The buffer is not big enough" error message when you play back or to convert a WAV file that is larger than 2 gigabytes in your client application that uses Microsoft DirectX Q889136 KB889136 January 17, 2015
- 967184 A memory leak occurs when you repeatedly perform a "play-stop-play" operation in Windows Media Player 10 or in an application that uses the Windows Media Player 10 ActiveX control Q967184 KB967184 January 16, 2015
- 949056 You experience issues when you repeat a "play-stop-play" operation several times in Windows Media Player 10 Q949056 KB949056 January 16, 2015
- 934113 Streaming content stops, and you may receive an error message when you click "Next" in Windows Media Player Q934113 KB934113 January 16, 2015
- 932542 Windows Media Player cannot play media files after you uninstall Windows Server 2003 SP2 or Windows XP 64-Bit Edition SP2 Q932542 KB932542 January 16, 2015
- 925056 FIX: HTTP referrer data is not sent in the request for the metafile to the Web server in Windows Media Player 10 Q925056 KB925056 January 16, 2015
- 923978 The mediaName attribute may not be obtained when you stream content by using the Windows Media Player SDK Q923978 KB923978 January 16, 2015
- 921134 FIX: A hosting application may unexpectedly close when it opens a Web page that contains an embedded Windows Media Player ActiveX control Q921134 KB921134 January 16, 2015
- 918886 FIX: A Windows Error Reporting dialog box may appear or the Windows Media Player 10 window may unexpectedly disappear when you transfer content from an online store Q918886 KB918886 January 16, 2015
- 917734 MS06-024: Vulnerability in Windows Media Player could allow remote code execution Q917734 KB917734 January 16, 2015
- 915788 You may receive an error message in Windows Media Player 10 when you try to play back content that is protected by Windows Media Digital Rights Management Q915788 KB915788 January 16, 2015
- 914768 You can unexpectedly use a blank name to rename a file on a removable storage device in Windows Media Player 10 Q914768 KB914768 January 16, 2015
- 914088 Error message when you copy a large file from a PlaysForSure-verified device or from a Windows Media Player 10-compatible device to a local hard disk on a computer: "There is not enough free space on the device" Q914088 KB914088 January 16, 2015
- 912455 FIX: The content may not play back smoothly when you try to play back Windows Media High Definition Video (WMV HD) content Q912455 KB912455 January 16, 2015
- 911854 FIX: Digital rights that are set together with the SAP rights may not behave correctly when you deliver licenses for WMDRM-protected content Q911854 KB911854 January 16, 2015
- 911421 You may not be able to synchronize digital media to a Windows Mobile-based device after you upgrade to Windows Media Player 10 Q911421 KB911421 January 16, 2015
- 910388 Windows Media Player streams content through the proxy for addresses that you add to the “Do not use proxy server for addresses beginning with” text box Q910388 KB910388 January 16, 2015
- 907658 FIX: The Windows Media Player process may unexpectedly quit when Internet Explorer is configured to use administrator-approved ActiveX controls Q907658 KB907658 January 16, 2015
- 907481 The value of the PlaylistBurnTrackCount property may be exceeded if you burn a track two or more times to the same media in Windows Media Player 10 Q907481 KB907481 January 16, 2015
- 904550 You may receive a "Windows Media Player cannot play the file" error message when you try to restart a video in Windows Media Player in a multiple-monitor configuration Q904550 KB904550 January 16, 2015
- 903250 Song titles are copied to a recordable CD after you cancel a burn operation in Windows Media Player 10 on a Windows XP Service Pack 2-based computer Q903250 KB903250 January 16, 2015
- 897586 FIX: Embedded script commands may not fire as expected when you play back WMDRM-protected content in Windows Media Player 10 Q897586 KB897586 January 16, 2015
- 895995 The media files on a device that you connect to your computer are not automatically played in Microsoft Windows Media Player 10 Q895995 KB895995 January 16, 2015
- 895572 FIX: Widescreen content that you transfer from Windows Media Player 10 to a portable device may be distorted and unviewable Q895572 KB895572 January 16, 2015
- 895418 Device playlist support in Windows Media Player 10 has known limitations Q895418 KB895418 January 16, 2015
- 895181 FIX: You may experience a color smearing or bleeding effect when you play MPEG4 videos in Windows Media Player 9 or 10 Q895181 KB895181 January 16, 2015
- 891772 BUG: Windows Media Player only plays the first item in the playlist when you embed an ActiveX control in a Web page and you set the Autostart parameter to false Q891772 KB891772 January 16, 2015
- 888239 The Welcome music and video do not play during the Out-Of-Box Experience Wizard after you use a Sysprep image to distribute Windows XP Service Pack 2 Q888239 KB888239 January 16, 2015
- 887078 FIX: Windows Media Player may return an NS_E_INVALID_DATA error when playing Fast Cached content Q887078 KB887078 January 16, 2015
- 940666 FIX: Audio playback may be distorted after you install Windows Server 2003 Service Pack 2 Q940666 KB940666 January 15, 2015
- 886612 FIX: The wrong icon appears when you insert media into a removable media device Q886612 KB886612 January 13, 2015
- 885944 You receive an error message when you transfer protected Windows Media content to a Portable Media Center device Q885944 KB885944 January 13, 2015
- 885213 You receive a "Windows Media Player cannot convert the file to the format required by the device" error message when you try to synchronize video content in Windows Media Player 10 to a Pocket PC 2003 device Q885213 KB885213 January 13, 2015
- 885212 WMAPro content that contains SAP with digital output plays for several seconds and then stops playing in Windows Media Player 10 Q885212 KB885212 January 13, 2015
- 885211 You may experience decreased battery life when you synchronize devices in Windows Media Player 10 Q885211 KB885211 January 13, 2015
- 885168 The client cannot play back video, and multiple "401 - Access denied" error messages are logged in the Windows Media Services logs Q885168 KB885168 January 13, 2015
- 885008 Caption text is missing from the caption bar when you play a media clip in Windows Media Player 10 Q885008 KB885008 January 13, 2015
- 885007 Streaming media may take longer than expected to start playing in Windows Media Player 10 Q885007 KB885007 January 13, 2015
- 884841 Error message when you try to synchronize video files in Windows Media Player 10 Q884841 KB884841 January 13, 2015
- 884373 FIX: Microsoft Windows Media Player 10 may not work correctly after you upgrade to Microsoft Windows XP Media Center Edition 2005 Q884373 KB884373 January 13, 2015
- 838101 You receive error 0xC00D10B3 when you try to play online content Q838101 KB838101 January 11, 2015
- 830234 DVD closed captions do not work after you use Suspend mode or Hibernate mode Q830234 KB830234 January 6, 2015
- 2799456 Windows Media Player prompts using SSL when checkbox to save password is checked Q2799456 KB2799456 January 18, 2013
- 2395326 Playing YouTube videos in Windows Media Player or Internet Explorer Q2395326 KB2395326 February 16, 2012
- 944110 Windows Media Player cannot load the content from certain URLs after you enable the "Use proxy settings of the Web browser" option Q944110 KB944110 October 9, 2011
- 911565 MS06-005: Vulnerability in Windows Media Player could allow remote code execution Q911565 KB911565 September 30, 2011
- 942423 FIX: You cannot play Windows Media content that is encoded by using the VC1 codec in Windows XP, in Windows Server 2003, or in Windows 2000 Q942423 KB942423 September 27, 2011
- 925470 FIX: You may experience high CPU utilization when you play back lots of content thousands of times in Windows Media Player 10 Q925470 KB925470 September 27, 2011
- 923198 FIX: Windows Media Player 10 may not send a client GUID as part of a request when you use RTSP to connect to a Windows Media Services 9 Series server Q923198 KB923198 September 27, 2011
- 898549 FIX: The video may invert and turn green in Windows Media Player 10 Q898549 KB898549 September 27, 2011
- 895939 Information about transferring WMDRM-protected content to portable media devices with Windows Media Player 10 Q895939 KB895939 September 27, 2011
- 895316 FIX: Updates to the Windows Media Device Manager Q895316 KB895316 September 27, 2011
- 893241 FIX: Proxy autoconfiguration does not correctly work when you set the "Automatically Detect Proxy Settings" option for the MMS or RTSP protocol in Windows Media Player 10 Q893241 KB893241 September 27, 2011
- 891738 Content does not play correctly when you try to play content that you do not have an installed codec for in Windows Media Player 10 Q891738 KB891738 September 27, 2011
- 891736 Windows Media Player 6.4 is embedded in Web pages even when Windows Media Player 9 Series or Windows Media Player 10 is installed Q891736 KB891736 September 27, 2011
- 887626 FIX: The TransferCount property decrements by 2 when you transfer content to a portable device in Windows Media Player 10 Q887626 KB887626 September 27, 2011
- 885353 FIX: Windows Media Player 9 Series for Windows may prompt you for your credentials when submitting the client log Q885353 KB885353 September 27, 2011
- 884267 FIX: The audio is temporarily lost for some items in the playlist when you play streaming content by using the RTSP protocol Q884267 KB884267 September 27, 2011
- 885136 You receive a "A security problem occurred" error message when you try to play content on a secure Web site in Windows Media Player 10 Q885136 KB885136 September 23, 2011
- 2519435 Information about the Multimedia file types that Windows Media Player supports Q2519435 KB2519435 April 7, 2011
- 2489680 Enabling Windows Media Player plug-ins while in full screen mode may have no effect or restart video playback Q2489680 KB2489680 January 11, 2011
- 2014385 Windows Media Player does not send client render log entries under certain conditions Q2014385 KB2014385 January 25, 2010
- 926239 Windows Media Player 10 may close unexpectedly on a Windows XP-based computer Q926239 KB926239 October 22, 2008
- 945381 FIX: SAMI scripts fire at seemingly random times when you perform a seek operation in a video file that has an associated SAMI file Q945381 KB945381 May 19, 2008
- 948710 Microsoft CCITT G.711 Audio CODEC does not appear to be available Q948710 KB948710 February 4, 2008
- 234292 Error message when you type the name of a file to play by using Windows Media Player: "Cannot open file" Q234292 KB234292 December 12, 2007
- 938920 Certain kinds of video content do not play after you apply a windowless skin such as the Revert skin to Windows Media Player Q938920 KB938920 November 26, 2007
- 810422 "Licenses for your media files are corrupted" or "License is either corrupted or not valid" error message when you try to play licensed media files Q810422 KB810422 August 21, 2007
- 911091 A PlaysForSure device or another Windows Media Player 10-compatible media device does not appear in Windows Media Player 10 even after the device appears to be installed correctly Q911091 KB911091 May 3, 2007
- 922814 FIX: Error message when you try to copy purchased content or subscription content from online services on a PlaysForSure-verified device: "0xC00D10BC - Windows Media Player cannot synchronize the file because the device needs to be updated" Q922814 KB922814 March 27, 2007
- 314612 Windows XP Cannot Enter Standby Mode When Window Media Player Is Paused Q314612 KB314612 January 31, 2007
- 836073 Network traffic increases when folders are monitored after you upgrade to Windows Media Player 9 Series or a later version of Windows Media Player Q836073 KB836073 November 17, 2006
- 916735 The Wmp.dll file reverts to the earlier version when you remove security update 911565 from a Windows Server 2003 Service Pack 1-based computer or from a Windows XP Service Pack 2-based computer Q916735 KB916735 April 11, 2006
- 912226 After you apply some updates, you may experience some issues when you try to seek, to fast rewind, or to fast forward in Windows Media Player 10 Q912226 KB912226 March 21, 2006
- 914794 Error message when you play back AVI files that use the Intel Indeo video codec after you upgrade to Windows XP SP2: "Windows Media Player could not play the file" Q914794 KB914794 March 14, 2006
- 889858 An "E_NOINTERFACE" error occurs when you call the get_CurrentPosition() method in the Windows Media Player 10 ActiveX control Q889858 KB889858 October 5, 2005
- 895289 Windows Media Player 10 synchronizes music files to the root directory of a mass storage device Q895289 KB895289 April 7, 2005
- 889107 The Hide Menu Bar button may not work as expected in Windows Media Player 10 Q889107 KB889107 March 23, 2005
- 895417 You may receive a "0xC00D11CD" error message after you format the storage media of a media device in Windows Media Player 10 Q895417 KB895417 March 2, 2005