[RipperRoo]

i dont think this is a restart issue lion,

scottishdude, what are the spec's of your system, and have you installed service pack one on the machine? cause xp had a hell of a lot of problems with games before the 1st service pack.

other things that could cause this:

graphics card drivers - i would suggest updating to the latest version, dont forget to uninstall the old ones first

compatability: Xp doesnt like some of the older games.

badly coded cracks/hacks: if your using a no cd crack or other such workaround on your games xp can be i a little picky.