system
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Yah, I had a similar experience. I was just starting to get used to 8.0, and then 8.1 messed it up. I tried what you suggested, on one of the Start page apps, the chess program. I uninstalled and reinstalled it, but it is still experiencing the same problem(s). I can’t imagine that uninstalling all of the apps and reinstalling them would correct it. When I speak with the Microsoft Level 2 tech tonight, I will try to get that and my antivirus issue(s) resolved, and then I will let this thread/forum know how it went.