well i'm also using the same card as ur's .. nvidia 8500gt 512mb..

but i'm not having any problm with it..

myb software problm? is other games running smooth? or just that one game? are u running on xp os or vista?

it's a crappy card some might say.. but i can still play new games without any problm cause now i'm dead broke to get a new card...

lol..

hope i can help..