Display Driver stopped working error

Question

When i try to play roller coaster tycoon 3 platinum every 30 minutes and error pops up and says the display driver has stopped working normally and u should save and restart computer. every is messed up and i have to push the power button. i have tried to find a new display driver but i cant find one that is compatible.this has worked before and the 2nd day playing this has started i would really appreciate some help.laptop:IBM Thinkpad R32 Windows xp pro service pack 2 mobility radeon is current display driver