Public bug reported: Multiple attempts to upgrade to xenial on my laptop. I have a few 3rd party software but it's supposed to disable those. Each time the same error occurs.
lsb_release -rd Description: Ubuntu 14.04.5 LTS Release: 14.04 Running from the gui prompt and update-manager -d Error: Could not calculate the upgrade An unresolvable problem occurred while calculating the upgrade. This can be caused by: * Upgrading to a pre-release version of Ubuntu * Running the current pre-release version of Ubuntu * Unofficial software packages not provided by Ubuntu If none of this applies, then please report this bug using the command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. This happens at in the Distribution Upgrade program, second step of "setting new software channels", during the "calculating the changes" stage. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.8 ProcVersionSignature: Ubuntu 3.13.0-95.142-generic 3.13.11-ckt39 Uname: Linux 3.13.0-95-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.21 Architecture: amd64 CrashDB: ubuntu Date: Fri Sep 9 21:40:44 2016 InstallationDate: Installed on 2014-12-14 (636 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) PackageArchitecture: all ProcEnviron: LANGUAGE=en_US TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to trusty on 2016-09-10 (0 days ago) ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug dist-upgrade trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1622076 Title: Trying to upgrade from 14 to xenial, keeps crashing due to "3rd party"? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1622076/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs