so it seems to be a conflict between unity in the webapps repository and the unity in the test repository. i could remove webapps... ii gir1.2-unity-5.0:amd64 5.94.0-0ubuntu1 amd64 GObject introspection data for the Unity library ii libmeanwhile1 1.0.2-4ubuntu1 amd64 open implementation of the Lotus Sametime Community Client protocol ii libunity-core-6.0-5 6.2.0-0ubuntu3~webapps2 amd64 Core library for the Unity interface. ii libunity-misc4 4.0.4-0ubuntu2 amd64 Miscellaneous functions for Unity - shared library ii libunity-protocol-private0:amd64 5.94.0-0ubuntu1 amd64 binding to get places into the launcher - private library ii libunity-webapps0 2.0.1-0ubuntu1 amd64 Web Apps integration with the Unity desktop ii libunity9:amd64 5.94.0-0ubuntu1 amd64 binding to get places into the launcher - shared library ii myunity 3.1.5-0ubuntu1 all Unity configurator ii unity-asset-pool 0.8.23-0ubuntu1 all Unity Assets Pool ii unity-chromium-extension 2.0-0ubuntu1 amd64 Unity WebApp extension for the chromium browser ii unity-common 6.2.0-0ubuntu3~test4 all Common files for the Unity interface. ii unity-greeter 12.10.0-0ubuntu2 amd64 Unity Greeter ii unity-lens-applications 6.2.0-0ubuntu1 amd64 Application lens for unity ii unity-lens-files 6.2.0-0ubuntu1 amd64 File lens for unity ii unity-lens-gdocs 0.0+r18-0quantal1 all Google Docs lens for Unity ii unity-lens-music 6.2.0-0ubuntu1 amd64 Music lens for unity ii unity-lens-photo 0.1-0~12~quantal1 all A Dash search plug-in to host photo providers ii unity-lens-video 0.3.6-0ubuntu2 all Unity Video lens ii unity-scope-flickr 0.1+webaccounts4-0quantal1 all Flickr engine ii unity-scope-musicstores 6.2.0-0ubuntu1 amd64 Store music lens for unity ii unity-scope-video-remote 0.3.6-0ubuntu1 all Remote videos engine ii unity-services 6.2.0-0ubuntu3~webapps2 amd64 Services for the Unity interface ii unity-webapps 2.0-0quantal1 amd64 Unity WebApp integration scripts ii unity-webapps-service 2.0.1-0ubuntu1 amd64 Service for Web Apps integration with the Unity desktop