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I just started playing this Friday and all i got was crash after crash after crash with some 2D error, turns out my 2gb page file was no where near enough, I've had to put a 12gb page file on my HDD every time i launch the game, since doing that it runs perfect every time. bit of a oddball scenario and never had this issue we the 300 plus games i own across different platforms. In game ram usage along with windows is never above 8 Gb and i have 16Gb of ram
Leave pagefile settings to system managed. It's not just a place to store data when you run out of ram (common misconception), windows uses it constantly.