[Bug 1581428] [NEW] Unable to update Kubuntu 14.04 to 16.06

[romaerzhuk]

Public bug reported:

When using Ubuntu 14.04, I attempted to upgrade to Ubuntu 16.04.

Using sudo update-manager -d the GUI fails. Screenshots attached.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.8
ProcVersionSignature: Ubuntu 4.2.0-36.41~14.04.1-generic 4.2.8-ckt8
Uname: Linux 4.2.0-36-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_modeset nvidia
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: KDE
Date: Fri May 13 12:30:19 2016
InstallationDate: Installed on 2014-07-20 (662 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2016-05-13 (0 days ago)
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade third-party-packages trusty

** Attachment added: "screenshots.zip"
   https://bugs.launchpad.net/bugs/1581428/+attachment/4661965/+files/screenshots.zip

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https://bugs.launchpad.net/bugs/1581428

Title:
  Unable to update Kubuntu 14.04 to 16.06

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  When using Ubuntu 14.04, I attempted to upgrade to Ubuntu 16.04.

  Using sudo update-manager -d the GUI fails. Screenshots attached.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 4.2.0-36.41~14.04.1-generic 4.2.8-ckt8
  Uname: Linux 4.2.0-36-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_modeset nvidia
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: KDE
  Date: Fri May 13 12:30:19 2016
  InstallationDate: Installed on 2014-07-20 (662 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-05-13 (0 days ago)
  VarLogDistupgradeTermlog:

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