Game crashing when imabout to enter act 3, after talked to imp.

Have tried different savegames and resolution, fog off and no fsaa..

Im running 1.45 english version, wnglish win xp...

Using a GF 5700 Ultra with latest drivers from nvidia
Nvidia nforce2 chipset with latest drivers
Amd xp2600+ Cpu

All other games runs fine

Do i have to reinstall? have enough free space on drive (about 3 gb)

Anybody i can send savegame to by email?