See also this topic: https://forums.dovetailgames.com/threads/experiencing-crashes-on-pc.44260/ I carefully deleted all mods and I am very aware that mods may cause problems. I do not use DX12 and I also removed all engine.ini changes. But, I experience unreal crashes in most cases when closing the game, in one case with the Boston route during game play. I even deleted the liveries I had created (but not used, not a big loss). It is a pity we cannot comment to Natalies post. I hope this does not suggest no further investigation is needed even though the request is 100% correct.