Quote Originally Posted by Crazed Rabbit
I had the pause button problem all the time in RTW, and it does not appear to have been resolved in BI.

Crazed Rabbit
What seems to happen (in RTW) is that something is bottlenecking. The pause/resume doesn't seem to get full priority to interrupt the bottleneck (or there is too much display lag in the game at times.)

It must be deep enough in the engine that there is no easy fix.