Indeed thank you very much Posila. I was actually sort of dreading starting up the game again today.

Can confirm, disabling my secondary displays solves the issue.

That's a super big issue for me. Screws up a lot of stuff that I'll have to fix after every time I play Factorio. =\

Steam install, or the installer from the factorio website, either one will open a window, which stays white, and creates a log file.

Game never starts at all. First purchased last night.

Edit: Looks like it's a bug caused by having multiple monitors running on multiple GPUs.