Already tryed the shell with 'sudo apt-get update' . It shows:

OK:1 http://graphics.tuxedocomputers.com/ubuntu xenial InRelease
OK:2 http://ppa.launchpad.net/elementary-os/stable/ubuntu xenial InRelease                                                        
... and so on: OK

But still two updates are in line in the Appcenter. One of it is "Betriebssystem".

Any ideas?

1 Answer 1


Startet my Laptop this Mondaymorning and found, that everything is ok. hm. But I don't know why ^^

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