If the  Media Center data store gets corrupted Windows Media Center will crash.So if there is a corrupted  Media Center data store then here is a fix:-

1.Make sure ‘Show hidden files,folders and drives option is enabled.

2.This will allow to show the hidden ProgramData under %SYSTEMDRIVE%\ProgramData\Microsoft\eHome.Double click on it to open.

Alternatively in Start Search box type in:-

%SYSTEMDRIVE%\ProgramData\Microsoft\eHome and hit the Enter Key.

3.Double click on Microsoft folder and locate eHome.

4.Double click on eHome and locate mcepg data base (.db) file (eg.mcpeg2-0/mcepg1-5-0 etc).

5.Right click on mcpeg.db file and Delete it.

6.Restart the System and restart the Media Center as well.