Comment 21 for bug 1548425

I currently have version:

chris@localhost:~$ apt-cache policy update-manager
update-manager:
  Installed: 1:16.04.4
  Candidate: 1:16.04.4
  Version table:
 *** 1:16.04.4 500
        500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
        500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main i386 Packages
        100 /var/lib/dpkg/status
     1:16.04.3 500
        500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
        500 http://us.archive.ubuntu.com/ubuntu xenial/main i386 Packages

with Gnome

chris@localhost:~$ apt-cache policy gdm3
gdm3:
  Installed: 3.20.1-1ubuntu2~ubuntu16.04.1
  Candidate: 3.20.1-1ubuntu2~ubuntu16.04.1
  Version table:
 *** 3.20.1-1ubuntu2~ubuntu16.04.1 500
        500 http://ppa.launchpad.net/gnome3-team/gnome3-staging/ubuntu xenial/main amd64 Packages
        100 /var/lib/dpkg/status
     3.18.3-0ubuntu2 500
        500 http://us.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages

and got the software-updater crash a few minutes ago.