Windows 7 Crashing / PC Shutting Down

Starting earlier today, my internet randomly stopped working on my main PC, though I could still connect and it would work fine on my laptop/phone/tablet/etc. I ran a full McAfee scan which found nothing, and after a couple restarts and unplugging my modem/router, it happened again now. When I...

Im running windows 7 ultimate 64 ... I dont know totally system specs. It's a custom rig that I purchased about 6 months ago. I dont think the specs matter anyway because I don't believe this is a hadware problem, but a windows problem. Ok, So about a month ago I was unlucky enough to pick up...

Hi, Today my computer has started randomly shutting down. If anyone knows how to fix this I'd really appreciate it. When I restart I get this error message: Problem signature: Problem Event Name: BlueScreen OS Version: 6.1.7600.2.0.0.768.3 Locale ID: 1033 Additional information about...

I just installed Windows 7 Professional 32bit Operating System on my computer and I will have it logged out but not shutdown when I leave work on Friday but when I return to work on Monday it is mysteriously shutdown. I have checked the power settings in the Control Panel and everything is set to...

Each time i shut down windows 7, it pops up with the screen that these programs prevent windows from shutting down. Well the programs are: winlogon.exe, ComPtc.exe, compptcvui.exe. I want to know what are these programs, and how can i prevent then from popping up each and every time i shut down my...