Fix Windows Media Player 12 Settings
1. Click “Start,” type “msdt.exe -id WindowsMediaPlayerConfigurationDiagnostic” (without quotes) into the search box and press the “Enter” key to load the “Windows Media Player Settings” diagnostic tool.
2. Click “Next” to detect any errors with the settings on Windows Media Player 12.

3. Click “Apply this fix” to repair any errors with the settings on Windows Media Player 12.
4. Click “Close the troubleshooter” to exit the “Windows Media Player Settings” diagnostic tool.
Fix Windows Media Player 12 Library
5. Click “Start,” type “msdt.exe -id WindowsMediaPlayerLibraryDiagnostic” (without quotes) into the search box and press the “Enter” key to load the “Windows Media Player Library” diagnostic tool.
6. Click “Next” to detect any errors with the Windows Media Player 12 library.
7. Click “Apply this fix” to repair any errors with the Windows Media Player 12 library.
8. Click “Close the troubleshooter” to exit the “Windows Media Player Library” diagnostic tool.
Fix Windows Media Player 12 DVD Options
9. Click “Start,” type “msdt.exe -id WindowsMediaPlayerDVDDiagnostic” (without quotes) into the search box and press the “Enter” key to load the “Windows Media Player DVD” diagnostic tool.
10. Click “Next” to detect any errors with the Windows Media Player 12 DVD options.
11. Click “Apply this fix” to repair any errors with the Windows Media Player 12 DVD options.
12. Click “Close the troubleshooter” to exit the “Windows Media Player DVD” diagnostic tool.