"Edit Trigger" Window Stuck Off Screen!

I think you're right, Brian - the popup windows seem to open relative to Storyline's position rather than to the screen's dimensions, which seems like a much more predictable and stable option.

So my monitor setup is, left to right, 1 Small | 2 Large | 3 Large. I started working in Monitor 3 yesterday and had the dialogs pop up on Monitor 2, which is the same size. When I opened Storyline later that day and was working from Monitor 2, the dialog popped up on Monitor 1 above the top of the screen. Unfortunately, moving the main window back to Monitor 3 didn't end up moving the dialog from Monitor 1 to 2. 

I'm wondering if the dialog window's position is set relative to the window where Storyline initially opens, rather than where the window currently is. (This would make things extra difficult since Storyline's decision of which monitor to open in appears pretty random and unpredictable).