Windows Media Player cannot play the file because the specified protocol is either not supported by the Player or not supported by the server.
If you encountered this error by clicking a link on a Web page, the link might not be valid.
If you encountered this error by typing a Uniform Resource Locator (URL) in the Open URL dialog box, try opening the file by using a different transport protocol (for example, "http:" or "rtsp:").
A list of protocols that are supported by the Player and the correct syntax follows:
If Windows Media Player supports the protocol and you still cannot play the content, verify that the Player is configured to use all of its supported protocols.