Crack Duck

I found the solution, sort of. I had a second monitor (my TV) attached to HDMI, which looked like this in arandr:  This is exactly the area which is...

Yes, only visible on "xfdesktop", ~~didn't try it with other desktops~~ and PCManFM desktop, too. I can only click it away if I mark the "Trash Bin" icon and then...

sadly, this is not fixed just yet. The rectangle appears black now:  But that only happens when I select "clone displays" in `xfce4-display-settings`. If I manually disable the screen...

:+1: me too!