Ok, some updates. - Underclocked the GPU: it did last a bit longer, but it still crashed. Went back to code 43, had to wipe drivers, got it back, underclocked further, still crashed.

Expert Tip: Note Any Microsoft operating system can encounter a Code 43 Device Manager error, including Windows 10, 8, 7, Vista, XP, and others.

Doom The Dark Ages players might have encountered the GPU driver error while booting up the game.