Windows XP BSOD Error: “IRQ_NOT_LESS_OR_EQUAL”

A client called me with this error. She was receiving a blue screen of death (BSOD) with the error “IRQ_NOT_LESS_OR_EQUAL”. After reading a few forums, I thought either the sound card was interfering, or I had a corrupted page file. It was point #6 of RWatson‘s post that brought the page file to my attention. Some people suggested bad RAM, but that didn’t sound right to me.

I booted into safe mode and disabled the paging file (again, see point #6 on how to do this). That did the trick. I then put the page file settings back and rebooted again. All systems go.

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