Panel Popout Function (Right Alt+Left Click) No longer working after new update

[DementedCorn327]

Have a look at that topic where a couple of recommendations are made:

Pop-up instrument window invalid

Recently i cannot pop-up instrument window, and the right alt key + left mouse button click is invalid. Normally, when the right alt key and left mouse button are clicked, the mouse cursor changes to plus, and now there is no response；