I found something that seems like a bug in the interface. Not really a problem, it appears when doing specifics things :
When I have an open element window (I've just clock on the OTAN symbol on one unit in the stack), and then press one of the F[1-12] key, the interface seems to be frozen.
I cannot select units, many buttons do not work (Menu, [ESCAPE] key, ...).
I manage to bring back the control by right-clicking on the AGE symbole on Windows bar and select Quit. This brings me to BOAII's menu and asks me if I really want to quit. I say 'no', resume the game and all is back to normal.
I'm running the last version of the game on Windows XP.
English is not my native langage, but I hope you will understand my meaning.