New answers tagged software-sources
Open Software and Updates and go to the "Other Software" tab. You will see your ppas all unchecked and labeled as "disabled on upgrade to xenial". Just check the boxes and hit close. It will want to reload the information - let it - and then you can reinstall your software. If you want to get rid of the line saying "disabled" you can highlight the ppa ...
Those two lines in your sources.list file: deb http://archive.canonical.com/ partner # deb-src http://archive.canonical.com/ partner should look like this: deb http://archive.canonical.com/ubuntu xenial partner #deb-src http://archive.canonical.com/ubuntu xenial partner
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