Can you please do all updates (on the command line "sudo apt-get update; sudo apt-get dist-upgrade" or with Update Manager), log out and log in again, and then check again? Several bugs got fixed to solve this problem.
Can you please do all updates (on the command line "sudo apt-get update; sudo apt-get dist-upgrade" or with Update Manager), log out and log in again, and then check again? Several bugs got fixed to solve this problem.