Constant crashing from curie onward

[eratanz]

I've reached a point where the game is now unplayable, and would really like to resolve this. I can't think of the last time I dealt with this much instability in a game, which is a shame considering how wonderful it is otherwise.

The game is crashing/freezing every 5-10 min or so. This begin in the Curie engine room, and I can't even load some saves now. The crashes are graphical- the music generally continues.

System is Windows 7 and a 560Ti with the latest drivers. I have:

Verified game cache
Enabled public beta
Cleaned and reinstalled Nvidia drivers
Tried most permutations of graphics settings

None of this has helped, and the deeper in the game I manage to get the denser the crashing becomes. I've attached the requested log file.

As other users have reported, I'm getting a long list of nvlddmkm errors in my system log (but the card is definitely not overheating or having issues- this is the only game to generate crashing like this)