Arx Fatalis crash

Every time I try to go in the Goblin area after giving the goblin lord my gem's dealer license and authorization, my computer crashes.

Does anyone have any idea what could be the problem ?
Also, do you need any information regarding my PC ?

I managed to fix the problem, one way or another, it's working now.

I had similar crashes and realized I simply had a corrupted save game. That happens easily if you use the same slot several times in a row.

That might actually have been what made it work, I think I used an earlier saved game to continue.
Thank you Cm.