CFS2 on Win XP

I have a new system that is Windows XP SP2 like the last one...I can't get CFS2 to run at all. It just freezes up when I try to start it. The only thing really different from the old system is the nVidia 8600 GTS video card. I had always used ATI cards before and it ran fine. Now I can't get it to run at all. I have always loved CFS2 because of the many add-ons available for it.