..I either reboot my machine, or log off and back on under the same user-name. I'm the only one who uses my computer, so there are no other accounts on it besides root.

Simply quitting and restarting Geany, which should work, doesn't, full stop.

Steve Wright

Dell Inspiron 1720 2GB physical RAM
Linux Mint 18 Sarah KDE 5.4.4 (and not all of that, I just found out.)