I have checked some posts about this issue but there are no solution or explanation. Can anyone help me out please. I am having 90% CPU usage, but no processes is doing it, only idle is showing that much usage. It seems to have occurred with NT and Windows XP computers and no one has given an explanation for this issue. I am running Windows XP and when I go to Task Manager > Performance Tab > then it shows CPU usage hovering aroung 90%. The same happens with perfmon. I have also got Norton Security running and have run all sorts of virus check but nothing was found. What is the problem then? Any ideas
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