I think you can't use this key because it is the default left mouse click key on the keyboard. Wait for an expert's answer.MateuszCOMPANY wrote: ↑Jan 10th, 2023, 1:39 am hey, i often use external devices and currently to stop im using combination ALT+X
But more comfortable to me would be set single button which I never use
I wanted select to this button on pic. But it could be also: Insert, Home, End, Pause Break, Scroll Lock, Left alt, Left ctrl, Left shift.