well, xp pro is 32 bit and your processor is 64 bit.. So expect some problems.. your better bet is to get the 64 bit version of windows and see if your problem goes away
lisp hacker :D
running: FreeBSD 5.4 - still learning :D
develop with: SBCL + emacs for lisp, Anjuta IDE +gcc for c, SPE for python..
browse with: opera