@keesscherer, sorry but it is, it’s the minimum resolution of APP. It’s hard coded in the application at the moment so it’s pretty hard to be dishonest about this. See the screenshot.
The bottom file window probably doesn’t show because your OS can’t let APP work on a height of 768, due to reserved space for a OS task bar, or something else. I realize now, that I need to compensate for that. It’s on the RFC…