I had exactly the same problem right after switching off some (in my opinion unneccessary) Windows services. It turned out that when I switched ON again the "Application Experience" everything resumed working fine.
May be you simply have to turn on this service? To switch ON Application Experience:
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Click the Windows start buttonn.
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In the box labeled “Search programs and files” type
services.mscand click the search button. A new window with title “Services” opens. -
Right click on “Application Experience” line and select “Properties” from popup menu.
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Change Startup type to “Automatic (delayed start)”.
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Restart computer.
Application Experiences should prevent the problem in the future.