Game crashing at menu screen!

[donut]

Hi, the game launches and the into movies play and can skip them by pressing Esc. but when the menu comes the game freezes and cannot move mouse, then after about 3 seconds the game crashes and tells me that it has stooped working and i press close the program. I am using windows 7 32bit - 2gb ram, Intel(R) Pentium(R) D CPU 3.40GHz. I have read some other post but none of the things i tried worked. any ideas? Thanks for your help.