There is a patch in the works to convert D2:ED into DKS, minus the FoV content. It will require approval from the publishers, but hopefully that will not be a problem.
There is a section of forums for the original D2:ED, listed under the forum groups for DKS/FoV on the main forum index page.
Is the running in place happening at a consistent spot, or the same type of terrain, or just random?
Are you shutting down all non-essential programs (especially anti-virus) before starting the game?
Theory on my CTD at the Start New Game Load ScreenFirst Aid Kit for Divinity IIFirst Aid : when Div2 does not start or crashes