High CPU usage??

wasthere

Honorable
Oct 19, 2013
26
0
10,530
My CPU just shot up to 80% and above today when I turned on the PC.
Under Disk tab in Task Manager,it's 100% too.

This didn't happen before and the usage for both is very low usually.

Please help!!!

Windows 8.1


I don't know what's the cause,not possibly malwares
 

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