Thanks for info.
I have tried to exit and reload several times, but the freeze happens in every try, I haven't been able to get to next turn.
So if it is out of memory error, it basically means that the scenario is too big for my machine?
Do you know if there is any way to check if it is out of memory error, does Windows log it somewhere, for example?
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Edit:
When the game freezes, I get in Resource Monitor one processor maxing out 100% and the rest 31 staying near 0%, if that helps.