I cant watch videos from my external hard drive on my laptop

[Guest]

Hello,
I try and play movies from my external hard drive on my pc and a pop up keeps saying server execution failed .his is happening since i installed AVG PC tune up

 

[kenrivers]

These links may help.
http://answers.microsoft.com/en-us/windows/forum/windows_7-pictures/windows-7-media-player-server-execution-failed/ecc08c3b-d445-48c2-b07d-9df48500434f
http://answers.microsoft.com/en-us/windows/forum/windows_7-pictures/cannot-open-windows-media-player-error-server/c95826f7-5f1a-421b-8c29-e87b7709183e