If I open the scanner via System Preferences -> Printers and Scanners I get the following popup mac popup: You do not have permission to open the application “HP Scanner 3� then the scanner dialog scre. Click on the lock icon in the corner, then enter an existing administrator account user and password to unlock the preference panel. How to control application permissions.Mac you do not have permission to open the application I am an unpaid volunteer and do not work for Microsoft.