a problem wiht my games

my pc have a hercules geforce 2 gts, procesador athlon 1400 mghz,hd 40gb, 320 mb ram, i dont remmenber the board, windows xp home edition.....

i install flight simulator 2004, isntall normall...but i try to play the game and he start normall, but the game start and after the game is close dont begin, but when i install the windows xp profesinal and the xp home edition in the same partition the game start normally and i can play.......but now the game doesnt start...


the same thing with need for speed undergroud when you are in the principal menu the game close, and you cant start a carrera

the same thing with max payne II when you start the game this start normal the game is fine the first video pass, when you start to move the game close

i think that is the video card but are the most recently game that doesnt work because mohaa, sperhead, break trought, and flight simulator 2002 work perfect.....

sorry for my english i hope taht you can help me......