i have been loading running cloth and hair sims with no problems, granted 30 ot 40 fraims only to creat a still shot or test a clthing mesh. from the box release till the latest beta i havent had any of the problems most have had. with ine exseption the left arm window poping up once in a while. so i dont have any complaints. and have yet to see the C error. system amd 1700+XP asus MB 7a7sdr vintage ati 8500EL 128 meg vid and second moniter tnt pro 32 meg 786 megs of pc 2100 ram and 300 gigs of hard drives on 3 drives. windows XP pro full upgraids. hope the system info helps some who is looking to upgraid. laters Vel