problems upgrading from 14.04 to 16.04

[Ralf Mardorf]

On Wed, 28 Sep 2016 18:11:21 +0200, Ralf Mardorf wrote:
>On Wed, 28 Sep 2016 17:35:39 +0200, J.L. Blom wrote:
>>  libstdc++6 : Depends: gcc-5-base (= 5.4.0-6ubuntu1~16.04.2) but 
>>5.4.1-2ubuntu1~14.04 is to be installed
>>
>>@Ralf: no, contrary to your suggestion I have never updated from an 
>>unofficial ubuntu source. I have installed some KDE packages as they 
>>gave me possibilities I needed which were not available from gnome.
>>It is becoming a nightmare as removing libkolabxml1 is not possible 
>>(gives the same errors) and I don't know what happens if I try to
>>remove libstdc++6.  
>
>From where exactly is libstdc++6 5.4.1-2ubuntu1~14.04?
>
>Please show me, by using the official Ubuntu package search,
>http://packages.ubuntu.com/ .
>
>I only found those versions available for 14.04 and 16.04:
>
>"Package: libstdc++6 (4.8.4-2ubuntu1~14.04.3 and others) [security]"
>- http://packages.ubuntu.com/trusty/libstdc++6
>
>"Package: libstdc++6 (4.8.4-2ubuntu1~14.04.3)"
>- http://packages.ubuntu.com/trusty-updates/libstdc++6
>
>"Package: libstdc++6 (5.4.0-6ubuntu1~16.04.2 and others) [security]"
>- http://packages.ubuntu.com/xenial/libstdc++6
>
>"Package: libstdc++6 (5.4.0-6ubuntu1~16.04.2)"
>- http://packages.ubuntu.com/xenial-updates/libstdc++6

My apologies :D, wrong package. To be continued...