I work with a dual display here at work. Now, this doesn't happen right at boot up, but once it starts, it doesn't stop until I reboot.
If I press 1 (non-num pad), it will move my window to my main display. If I press 2 (again, non-num pad), it will move my window to my secondary. If the window isn't full and it is already on the main display, it will snap the window to the center. The same applies to the secondary display.
Is there anything I can do to stop this? I'm not even sure why it happens. Like I said, it doesn't happen right when I boot up. I generally kicks in a few hours after I've been using them with no problem.
It's getting relatively annoying to have to follow my 1 and 2 keystrokes with a 1 and 2 to switch everything back.