Basically, there may be two major issues:
- t
he game was mostly completed before NVIDIA bought AGEIA. You do need an old "pre-NVIDIA" driver that is in a package. What is funny about this driver, you should carefully read what its installer says, as it will INSTALL driver in case you don't have it, and REMOVE it if you do 
WRONG!!! I'm really sorry! I asked our programmer and then checked this myself. The game works perfectly well with new drivers.
- the game was developed for DirectX9, and it's better to have its latest version. No, your DirectX 11 doesn't mean anything
An outdated dx9 can very well exist on the PC with dx10 or dx11.
Game keeps its logs in "My Documents/My Games/Void", so to address your problem our programmers will need game.log and exception.txt (the latter is generated only when the game crashes, usually in-game).
Also it would be nice to have your dxdiag - you may run it from the search string at Start menu (under Vista) or Start-Run (under XP).
There is configuration utility in game's bin folder (where game.exe is). Can you launch it?
P.S. The latest videocard drivers may also help.
