Hi, Normally uninstalling and reinstalling of the same may solve the problem. To do ,
1.Go to Start and in the search type "Turn Windows features On or Off".
2. Click on "Turn Windows features On or Off".
3. Browse to the Media Features and uncheck the mark in front of Windows Media Player.
4. Restart the computer
and then go to the same place, and recheck the mark in front of windows media player and then try.