I want to use Notification Area instead of Indicator Complete

[Philippe]

When finished to customize the panel, lock it:

Lock and unlock the panel with a click

It's handy to know that the panel can be locked in order not to delete launchers or panel by mistake (and you have to do it again from scratch). Once locked, if you right-click on launchers or panel, the menu option "remove" does not appear, so you can not accidentally click on and the panel will not allow any changes to the configuration. Of course, to do maintenance (move and create launchers, see properties, create / delete panels …) it must be unlocked. To get this …