window size

(I did search first, but no combination of words found a match for this issue.) I don't know if this is an issue on Intel-based Macs, but on my M1, it seems to randomly forget the location and size of the VM windows. Very frustrating. This seemed to happen in previous versions of Parallels...

I am running Parallels 12.2.1 on an iMac and on a MacBook Pro. Until recently, both worked fine. Now, however, I cannot fully resize the window on the MacBook. I can stretch it proportionally by pulling down diagonally on a corner. However, the main Windows program that I use most often needs...