1. I was upgrading from 14.04.
2. I installed it from a DEB package.
As soon as I rebooted my computer, I reinstalled it again with the newest DEB package.
But I didn't do it because it had stopped working, it just bothered with the message.
Or that's what I've noticed.
The upgrade did all the work, I just relayed what it found out.
Sure.
1. I was upgrading from 14.04.
2. I installed it from a DEB package.
As soon as I rebooted my computer, I reinstalled it again with the newest DEB package.
But I didn't do it because it had stopped working, it just bothered with the message.
Or that's what I've noticed.
The upgrade did all the work, I just relayed what it found out.