Do the crashes seem random or associated with a particular event?
Are you shutting down all non-essential programs (especially anti-virus) before starting the game?
Does it make a difference if you run the configuration program and switch to software mode, and maybe reduce the resolution?
Have you checked for updated video drivers, etc? Some people with laptops have found the third party optimized
Omega Drivers (for ATI or nVidia chipsets) better for gaming.
Try lowering your hardware sound acceleration a notch, or even disabling it completely (click Start | Run, type in dxdiag and hit Enter, then switch to the sound tab).
Troubleshooting Tips (& manual install procedure)BTW, there are separate forums for Divine Divinity and Beyond Divinity.