I downloaded 4.3.2 and was unable to reproduce the full screen resizing issue. What I found when switching between full screen and windowed mode like a maniac
is that if you are using autoresize in windowed mode and switch to fullscreen before the windowed screen has been resized the next time you switch back to windowed mode autoresize will not work and scroll bars are shown in the window. Purely cosmetic. I doubt that anyone does this with a production system. If you think not see logfile otherwise just ignore. Btw. Print Screen and Alt-Print Screen do not work when the Virtualbox window has the focus. Is this intentional? To take the screen shot of the full window I had to give another window the focus.
Thanks
FRG