z929669
It was a pure STEP 2.0.0 install, nothing additional was added or altered.
Mousetick
I've linked 2 more of the autosave crash logs.
Livia is my character name.
OWClient.dll.. etc is gameplay recording software, I'll disable while troubleshooting in future.
In the save, I've not had any interaction with the Thalmor nor started any major questlines involving them.
Similar to as I said in the OP, I've just managed to load the quick save without it crashing, and left Bleak Falls Barrow/Sanctum and saved outside. This save appears fine now, however the autosaves inside the dungeon remain broken.
While the problem appears to have been overcome somewhat, it'd be nice to find out the root cause to avoid in the future if possible?
crash-2022-05-18-14-39-23.log crash-2022-05-18-14-41-07.log