hi, how small are may problems on my Mac when i read this discussion. :-)) But one question Alekssander. Is it absolutely clear that the problem is not in the file you have produced? I have seen a lot of beautiful images from you where your system never seemed to have any problems. So for me this is an indication, that the scene you are working on does have a problem. Could you send it to somebody else (another system) to test that? Thats what i would do first. I know that 200 MB are not easy sent, but at the moment it looks like that everybody is poking with long sticks in the fog (or in deep snow - in your case) I had problems with Vue files from time to time that scenes suddenly became corrupt. Especially after a system crash while working on that scene. Bad luck.

One day your ship comes in - but you're at the airport.