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    The following table lists the multimedia file types that are supported by different versions of Windows Media Player ( ). Note Additional file formats might be supported if you install new codecs in Windows. For more information, see .
    Describes a problem that occurs when you try to use Windows Media Player 10 to play files that are protected by DRM on a Windows XP-based computer.
    Describes a problem that occurs in Windows Vista when you try to play a video file by using Media Center Extender for Windows Media Center. Specifically, the file does not play as expected. A workaround is provided.
    Fixes an issue in which Windows Media Center cannot perform a security upgrade successfully after you are prompted to upgrade the DRM components on a Windows Vista-based computer.
    Describes a problem that occurs because information for digital media objects is overwritten when you install the second program. Provides two methods to work around this problem.
    Describes known issues and provides other information about the Media Center Extender for Microsoft Windows XP Media Center Edition 2005.
    Some secure files you download may be locked with Microsoft Digital Rights Management (DRM) technology, and you cannot play or open these files until you obtain the appropriate license. This article describes how to download secure music and content...
    When you start Microsoft Freelancer, the screen may turn black or the game may unexpectedly quit.
    Fixes an issue in which a video protected by Digital Rights Management may not play correctly when you install multiple third-party DSP plug-ins for Windows Media Player on a computer that is running Windows 7.

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