video.library-ms is no longer working in windows 8. This library can be safely deleted from your computer. Folders that have been included will not be affected.

This can be used for all Pictures and Music files not working issue.








Step 1: Close the warning message window and click on Windows Explorer folder on the Taskbar - below your screen.



Step 2: Or move the mouse cursor to the extreme right-hand side to lower corner of the computer and select search icon from the options to the right-hand side of your screen.



Step 3: At  'Run'  type Windows Explorer and press ENTER to open the Library folder.



Step 4: Locate ' Videos' library and right-click on it.
Step 5: Select 'Delete' to delete the videos library from the folder.

Step 6: Move the mouse cursor to the left-hand side of the window and right-click on Library.

Step 7: Select 'Restore default libraries' and press ENTER .  

Note:

Follow the similar steps with the Music files and documents if it is not working.