I am having a problem with my PC. Everything is fine when I am on it. When it sits for a few hours I come back and the start menu doesn't work, the Windows 8 sidebar doesn't work, and I cannot open a web browser. Ironically, my Outlook still works, except that it can't launch a webpage out of it. After a reboot everything is fine. I thought maybe it was the power settings so I set it to never sleep and just turn the monitor off. That did not fix the problem. It doesn't do this every time it sits idle for awhile. It seems to be random. I've run the tweaking software to no avail. I've run Super Anti Spyware, Malware Bytes, and scanned for a virus. Nothing. Any ideas?