I am trying to make an option where if I check a box, it will check all boxes in the application. Which works. Can I make it so if I uncheck the box after I've checked it, it will uncheck everything? Case $msg = $all If GUICtrlRead($tab) = 0 Then GUICtrlSetState($SysInfo, $GUI_CHECKED) GUICtrlSetState($Processes, $GUI_CHECKED) GUICtrlSetState($Services, $GUI_CHECKED) GUICtrlSetState($FileAssoc, $GUI_CHECKED) GUICtrlSetState($NTFSInfo, $GUI_CHECKED) GUICtrlSetState($D