You install Microsoft Windows Media Player 10 on a computer that is running Microsoft Windows XP. A beta version of the Windows Media Format 11 runtime is already installed on this computer.
When you try to use Windows Media Player 10 to play a file that is protected by Windows Media Digital Rights Management (DRM), the following symptoms may occur:
Windows Media Player 10 closes unexpectedly.
You receive an error message that states that you do not have a license for the file.
This problem occurs because the Windows Media Player 10 installation replaces files that are part of the beta Windows Media Format 11 runtime installation. Therefore, the Windows Media Format 11 runtime installation does not enable Windows Media Player 10 to play files that are protected by Windows Media DRM.
To troubleshoot this problem, follow these steps:
On the computer that is experiencing this problem, install Windows Media Player 11.
The following file is available for download from the Microsoft download center:
Microsoft Windows XP Professional, Microsoft Windows XP Home Edition, Microsoft Windows XP Professional x64 Edition, Microsoft Windows XP Media Center Edition 2005, Windows Media Player 10, Microsoft Windows XP Professional N, Microsoft Windows XP Home Edition N