Help wanted with random NWN crashes

[Wasted Hero]

Ok new computer bought and NWN re-loaded but once an hour (ish) the programme just stops working and it has to be re-loaded. Every time it has occurred there has been no particular stress e.g just conversations with other PC's i.e. no huge lag overload.
 
Not sure if anyone else has faced this but advice or tips on things to try to stop this happening would be much appreciatted (running Windows 7 if that helps).
 
Many thanks in advance.

[VanillaPudding]

Use a non "3d" sound option.

[Wasted Hero]

Thanks, I'll try that.

[CluelessNoob]

Don't know if it's the problem you're having, but having skyboxes and/or shiny reflective water causes crashes too. If the sound isnt working, you might want to try that!