Mon Sep 21, 2015 8:44 am
It seems to be a driver incompatibility with the game, as it starts by a crash when you press end turn, on how the button is drawn, which is a pure graphical issue. At the cost of a less smooth scrolling, you can reduce first the memory the game can use, by going to Options, system, Memory usage. This might help you.
Hofstadter's Law: "It always takes longer than you expect, even when you take into account Hofstadter's law."