Kunra

Hi, I have played both games and completed them but got the urge to play them again. When I try to play either game I get about 5-10mins play before my character and the surroundings go dark like they are heavily shadowed, it jerks then my character is unable to move. I have looked at other threads similar and got the advice of if running dual core processors to download a Microsoft hotfix and use vsink. I have done this and all it gets me is a few more minutes before it crashes on me again. both games used to run on my old system but this is the first time I have ran them on my new system so I think it is either my processor or my new graphics card (which has the latest drivers) My computer specs are: AMD Athlon 64 X2 Dual Core Processor 4600+ ATI Radeon X1950 Crossfire 2 GB ram Sound Blaster X-Fi Elite Pro Any idea on how to fix the problem or am I doomed to never play kotor 1 & 2 again?