Have you read http://support.microsoft.com/kb/826513
How long has it been since you ran DISK CLEANUP?
And finally for the more unusual cause, read http://forums.cnet.com/5208-10149_102-0.html?forumID=7&threadID=252370&messageID=2514828&tag=forums06;posts#2514828
hey guys.. i have a prob. there's a popping message in my windows saying " Your virtual memory is low and the pages im visiting have a large size some of the page will not be downloaded", so what do i have to do? and does it have a connection that i restore my laptop cause some spyware or virus have attack my p.c and the anti virus did not work so decided to restore it as the fist time i bought it. cause i'm like really pissed off. please help me thanks!!