If you want to reinstall Windows Media Player, try the following:
Click the Start button, type features, and select Turn Windows features on or off.
Scroll down and expand Media Features, clear the Windows Media Player check box, and click OK.
Restart your device. Windows Media Player should be uninstalled.
Repeat step 1.
Scroll down and expand Media Features, select the Windows Media Player check box, and click OK.
Restart your device. Windows Media player should now be reinstalled.
I hope this helps!
Leo Clarke