Yesterday one of my clients called me and he told me that while updating Windows Media Center on Windows 8, he received an Invalid security token error. I had never heard of this issue before so I did some investigation about this error message and located out that may be caused on account of bad or corrupted Windows Media Center Library. So I thought we would rebuild the Windows Media Center Library.
Invalid security token
The Library folder can be a system protected file. So first we have to enable Show Hide Files & Folder and Show Hide system protected file at the same time.
- Go to Windows 8 Menu screen
- Type in Folder Options and select Settings and select Folder Options
- Now click the View Tab to check out Hidden Files and Folders section.
- Then click on “Show hidden files, folders and drivers” & Uncheck on “Hide protected operating system files”
Rebuild Windows Media Center Library
Now that you've enabled these options to keep to the below steps:
- Press Win + R and type in %Programdata% and press Enter
- Then type Open Microsoft folder, then eHome
- Now you’ll view a file called mediacenterdatastore.DB. Delete that file and reboot it
After the reboot the Windows Media Center did actually work fine. I am sure until this way will help you too, in the event you face an identical problem.
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