Support: myPBX for Windows crash on hotkey use in Windows 11
The problem will be fixed with the upcoming V11R2 SR58 / V12r2 SR51 / V13r1 SR34 / V13r2 SR7.
http://wiki.innovaphone.com/index.php?title=Support:MyPBX_for_Windows_crash_on_hotkey_use_in_Windows11