Keys with Alt-Gr

[Ghost59181]

I also encounter this problem Some keys pressed together with the AltGr key do not appear on the screen. For example: ALTGR+3: Must write # character but displays nothing others: ALTGR+4 : { displays nothing ALTGR+= : } displays nothing ALTGR+) : ] is ok ALTGR+5 : } displays nothing

(French keyboard) dosbox under Windows 10 Pro an idea ? thank you.