Элементы в меню Apple неактивны

If the "Restart", "Shut Down" and "Log Out..." menu items in the Apple menu don't work, the Kiosk mode is probably enabled:

Étape 1

Run OnyX and type your password.

Étape 2

Click the Parameters icon in the Toolbar and select the Login tab.

Étape 3

Uncheck the "Disable the Restart, Shut Down and Log Out commands in the Apple menu" case.

This problem sometimes occurs after updating the System.