Taskmgr.exe at 100% CPU usage! - Computer Tech Support Forum - Windows - Linux - Mac - Computin

... then all of a sudden things would SLOOOOWWW down tremendously. I checked task manager, and the CPU was at 100% usage, with taskmgr.exe being the culprit! I've scanned for viruses using everything I have (Antivir, hijackthis, adaware, syware and ...

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