I am running Windows XP and am CONSTANTLY getting the "Blue Screen" that says IRQL NOT LESS EQUAL etc.. I restatrt the PC and follow the instructions on the screen. Still same problem. Do I have a virus or something? I have installed PC Tools "Performance Toolkit" still same problem. What Can I do to get my PC working again? Every time I try to open a PDF I get the Blue Screen

Any help would be appreciated

Also Getting "Page Fault in Non Paged Area" What does this mean?

I have done the Micosoft Updates and still get the blue screen

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