Well, I'll try that thanks..
By the way, it only happens when browsing. Not when playing around with software.
And I've add an extra 128 MB ( Now I've 384 MB RAM) could also couse the prob? ( It's the same 'type' RAM, though )
It just didn't work fine, winXP. On a cartain moment I couldn't even starup Photoshop even after reinstall, so... (And many other things bugs and irritating winXP "features")