It's most likely a problem on the game's end in combination with some specific graphics drivers or gpus. Or something to do with how the game handles loading/caching
I think I already mentioned this, but according to some very knowledgeable folks who took a look at my Windows crash/error logs, the launcher seems to have some sort of conflict with Windows .NET framework.
From my own experience with other apps and demanding games, I would agree that this seems to be mostly the game's/launcher's fault. I mean... I can play DCS or IL-2 for hours on end with no CTDs or hard-crashes... and I play both these games in VR.
S.