Public bug reported: I tried to update to ubuntu 16.04 and booted to this issue.
ProblemType: Package DistroRelease: Ubuntu 16.04 Package: python3-apt 1.1.0~beta1build1 ProcVersionSignature: Ubuntu 4.4.0-11.26-generic 4.4.4 Uname: Linux 4.4.0-11-generic x86_64 ApportVersion: 2.20-0ubuntu3 Architecture: amd64 Date: Thu Mar 10 22:29:47 2016 ErrorMessage: package python3-apt is already installed and configured InstallationDate: Installed on 2016-02-23 (16 days ago) InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) RelatedPackageVersions: dpkg 1.18.4ubuntu1 apt 1.2.4 SourcePackage: dpkg Title: package python3-apt 1.1.0~beta1build1 failed to install/upgrade: package python3-apt is already installed and configured UpgradeStatus: Upgraded to xenial on 2016-03-10 (0 days ago) ** Affects: dpkg (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1555852 Title: package python3-apt 1.1.0~beta1build1 failed to install/upgrade: package python3-apt is already installed and configured To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/1555852/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs