Windows Media Player cannot perform the requested action. You might encounter this error message for one of the following reasons:
You tried to play a .dvr-ms file (such as a file created by the Personal Video Recorder (PVR) in Windows XP Media Center Edition), and your computer is not configured to play this type of file.
You tried to play a file type that is not supported by Windows Media Player. For a list of file types (formats) that are supported by Windows Media Player, see Supported file types.