Will you also look at the way bots behave around fire ? This is the single point in Factorio to me that feels like an oversight. Losses are expected, but the way robot losses currently work with flamethrowers feels unfair and something that I have no way to mitigate. Bot navigation around lakes I ca...

I had a look at the file attributes for any read-only, and haven't spotted any.
I also ran CheckDisk on my drives just in case.
Still seen the Access Denied messages a couple of times since.

I tried enabling the Verbose Logging option, but that didn't show any error having happened.

I'm getting an "Access is Denied" error message. Sometimes this happens when I start the game: capture_2016-03-25_222622.png And sometimes it happens when the game tries to save: capture_2016-03-25_225247.jpg This only happens intermittently, and is more noticable with the autosave since t...