Messed up system a bit

[Ralf Mardorf]

On Tue, 2016-06-28 at 22:32 +0200, Steven Truppe wrote:
> gimp:
>    Installiert:           (keine)
>    Installationskandidat: 2.8.16-1ubuntu1
>    Versionstabelle:
>       2.8.16-1ubuntu1 500
>          500 http://de.archive.ubuntu.com/ubuntu xenial/universe
> amd64 
> Packages

Consider always to copy the command + it's output. Also consider to post
English output to this mailing list, IOW

  LANG=C apt-cache policy gimp