Thank you all for the input.

@Rseding91 In regards to the memory suggestion, a long battery of memtest86+ tests didn't uncover any memory issues, and the weird thing is that some of the crashes have happened in the main menu. I have a hunch my GPU may be on its last leg. The only recent CUDA-based ...

I started playing Factorio recently after 1.1.19 went live, and started playing a custom scenario created with Factorio 1.0.0 . I played quite a lot on 1.1.19 without any crashes, but the recent update to 1.1.21 is causing the game to crash frequently (about 4 times so far today).

I am playing ...