Do viruses cause your cpu usage to skyrocket to 100% Tags: CPUs Last response: January 24, 2010 1:51 AM in CPUs Share Anonymous a b à CPUs January 24, 2010 1:42:53 AM Hello, What causes CPU usage to skyrocket to 100% when usage is normally a small fraction of that (say 20, no more than 30%, tops!)? Do/can viruses cause this? More about : viruses cpu usage skyrocket 100 Aneesh@4GHz January 24, 2010 1:48:22 AM May be ,Or any bugs on softwares or os,Something like that..... JDFan a b à CPUs January 24, 2010 1:51:08 AM Yes they can - press Ctrl-Alt-Del to open the task manager and see what process is using the CPU (be sure you check the see processes from all users) and it should show you what is using the CPU processes. Can't find your answer ? Ask ! Publish Related resources Thermaltake 850w PCI-E question Forum [Solved] Running a laptop CPU at 100% for hours everyday is fine right? Forum Share Your PC Power Consumption Forum Does a Tablet decrease your battery life? Forum [Solved] PSU power usage... Forum [Solved] I need your help. Forum What does it mean when your cpu over heats Forum Vista 32 high processor usage and choppy sound Forum :::Pentium 4 Club:::Post Your P4 Here Forum 100% cpu speed Forum More resources Read discussions in other CPUs categories AMD Intel Intel i5 Intel i7 Phenom Cooling Performance !