Get the devs of this to see the following stack overflow post. https://stackoverflow.com/questions/4681738/how-do-i-determine-if-a-window-is-off-screen I'd bet that it is the problem. I don't have the exact reproduction steps, but, the scenario would be something along the lines of plug in multiple monitors, (this could be an external monitor for laptop) do some logins on that screen. Then shutdown, disconnect that screen, try login and the window is now off screen.
... View more