Game crashing with Access Violation exception (0xC0000005) in nvd3dum.dll, progress lost

[scintillating luminescence]

Having problems where my game crashes in Windowed mode if I minimize it. All progress in that session is lost. Make sure to save progress if you have to minimize the game

[YanishaDrake]

The game generally does not take kindly to getting minimized. Playing in FullWindow mode and Alt-Tabbing out is safer in my experience, but crashes may occur even then, losing progress on the current puzzle.
So manually saving before minimizing can still be advisable.

[Pyramide]

Try setting the game to windowed in the ingame options and then use borderless gaming to maximize it again. So far my game hasn't crashed once since I made this change.