Bump -- my multiplayer is still broken.

I think runningman is describing a different issue; I have no mods and not running a headless server.

Is there any way I can get a non-steam copy of the game to try running that? I'd really like to be able to play multiplayer again.

Every time I connect to someone else's multiplayer game, or when someone tries to connect to my multiplayer game, the map downloads and then Factorio crashes (completely closes). The log says it's an error writing to file. Have tested with multiple newly generated worlds, and with steam in offline ...