Windows Media Player - "server execution failed"

Method 1:
1. Click Start, click Accessories, the right click on Command Prompt and choose "run as administrator", then type regsvr32 vbcript.dll, and then hit enter.
2. Click Start, click Accessories, the right click on Command Prompt and choose "run as administrator", then type regsvr32 jscript.dll, and then hit enter.
2. Now type exit and hit enter. Now try media player and it should work.

Method 2:
Stop Windows Media Player Network Sharing service and check if it helps.
a. Click Start, type services.msc in the Start Search box, right-clickservices.msc, and then click Run as administrator.
b. Right click on Windows Media Player Network Sharing. Click onstop.

Method 3:
Run the following command in elevated command promt and check if it helps.
a) Go to Start Menu
b) Under All Programs, go toAccessories.
c) Right click on Command Promptand select Run as administrator
d) Type net localgroup "Administrators" "NT Authority\Local Service" /add
e) Press Enter.

Method 4:
Run the Windows media player troubleshooter and check.
Open the Windows Media Player Settings troubleshooter
http://windows.microsoft.com/en-US/windows7/Open-the-Windows-Media-Player-Settings-troubleshooter