I've been playing daily since increasing the vm page file size as mentioned in my previous post, and the game seems much more stable. I've also turned on background and turned off multi-core. However I still have to keep video mode low or else I get the memory exception. Additionally I still have to use retro color mode or else the movement of the player is really sluggish. And I still experience occasional lags and some annoying screen flickering/flashing that distracts the play once in a while. My computer is a bit outdated and low-end, though supposed to be more than adequate for the minimum requirements. Back to digging and gathering...