*** This bug is a duplicate of bug 1573408 ***
I found that SOME repositories don't have the package files for Gnome
updates, but some others do. So for me the same symptoms occurred with
Changing my local repository to another one fixed the problem for me. In
my case adding deb http://fr.archive.ubuntu.com/ubuntu xenial-updates
main solved the problem.
Here's a list of mirrors I think work at least with gnome updates:
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
GNOME Software does not install third-party .deb packages
To manage notifications about this bug go to:
ubuntu-bugs mailing list