hi guys only my second post so go easy on mi!!.i down loaded ms 64 bit os a few days ago. got it up and running and every thing seemed ok untill i tryed to play games on it.i had all the 64bit drivers installed and down loaded the latest half life 2 (64bit updates same for doom and quake 4) but all the game's keep on crashing out, tried patching it up best i can but no luck..i was just wondering if anyone else has had the same problem's ? and yes i do have a 64 bit processor!!..along with all the latest kit so the hardware is ok..any help and advice would b appreciated thx...