cpu usage 100%

Edit: Posted this on the wrong forum! DOH. Reported as this is for Windows 8, not 7. Windows 10's message was typically IRQL_NOT_LESS_OR_EQUAL, suspecting a driver issue I reformatted to 8.1 which I am on now. The message I'm getting now is PFN_LIST_CORRUPT. Hardware/full build: Core i7-6700K...

Hi. I was using my laptop a few days ago. I left to go out and came back about an hour later. I notice my CPU usage was running @ 100% & the memory @ 80%.My laptop just stopped. I went into safe mode and that is where I am currently . I have deleted almost everything I don't use(didn't...

Every 10-40 minutes, the application I'm currently working in becomes unresponsive, and after a minute or two, the window turns white, notifying me that it's not responding. This unresponsiveness quickly spreads to other open processes, rendering them frozen as well. I can still use the mouse, and...

In system protection, the current usage is at 405GB while max usage is defined at 279GB (30%). 1) How this can happen ? ,and 2) How can I set the Max Usage to be kept?

Ok, I am literally KILLING myself over this! I installed Windows 7 64Bit over XP around a month ago and it was so good that I recommended it to my brother who was previously on XP too. We got him a copy of the 32bit version as he has only 2gb of memory, and he installed it on his machine....