I have at last found a way to get the correct device GUIDs without recourse to using Joystick IDs which may or may not be found correctly in the Registry. The problem with the registry method of locating the correct GUIDs to properly identify a device is that, since Windows 8 at least, the joystick ID number, the only sure way I had of locating the GUID, was not always being set. The Saitek devices seem to have been notorious for that, but this may only be because they are the most prevalen