New
#11
Ok, sounds like a permissions error or a corrupted user account.
Suggest trying with a new user for test purposes.
You might be in luck if you get Tweaking.com's free repair tool, and, observing its cautious approach, use registry permission repairs. Uncheck any repairs you don't need. You may find other possibly relevant repairs when you look.
Try changing permission on the windows apps folder in C:/program files. Admin needs full control for apps to work properly.