Originally Posted by
Knonfoda
Personally, I agree with Spartan 66:
I only ever get crashes either in siege reinforcements or last family member killed scenarios. Its also worth remembering the game crashes with large battles after every 2nd, 3rd battle (I played EB and RTR, and both crashed after a few battles too, this is likely to be an engine problem of RTW itself, rather than the mods in question, including IBSAI) so what I did was save the game after each battle, and after the 2nd large battle, I would exit the game, and start again to prevent it from crashing.
I hope that helps.