Reset Windows Media Player 12 To Default Settings

Here's a cool trick that allows you to reset WMP12 back to it’s default settings. This might be handy if you are encountering any issues of your own.

Simply to go Start > Run (or hold down the Windows Key and press R) and type in the following:

msdt.exe -id WindowsMediaPlayerConfigurationDiagnostic

Press enter and follow the prompts to reset WMP.

Credit goes to Ben:  http://daily-grind.net/reset-windows-media-player-12-to-default-settings/