ill post the exact error shortly, i have family over at the moment and a toddler thats a walking tornado.

it goes all the way to the end of the loading bar before failing. My system is a duel core 3.66 Intel with 4gigs ram, 140 gig hard drive, and NVIDIA 9600gso overclocked vidio card its running win 7 64 bit with up to date drivers. not a bad little machine if i do say so myself. the modle is a compaq but one of the last ones to be a dedicated compaq not HP.
Edit: I have 46gigs free space.