[Bug 1718943] [NEW] Every attempt to upgrade says it cannot upgrade ubuntu-desktop

[bw4linux]

Public bug reported:

I keep getting update/upgrade notifications, but cannot do it or it says
ubuntu-desktop cannot be installed.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubuntu-release-upgrader-core 1:16.04.22
ProcVersionSignature: Ubuntu 4.4.0-93.116-generic 4.4.79
Uname: Linux 4.4.0-93-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: X-Cinnamon
Date: Fri Sep 22 06:41:37 2017
InstallationDate: Installed on 2016-02-20 (579 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: No upgrade log present (probably fresh install)
VarLogDistupgradeTermlog:

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


** Tags: amd64 apport-bug dist-upgrade xenial

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https://bugs.launchpad.net/bugs/1718943

Title:
  Every attempt to upgrade says it cannot upgrade ubuntu-desktop

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

Bug description:
  I keep getting update/upgrade notifications, but cannot do it or it
  says ubuntu-desktop cannot be installed.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.22
  ProcVersionSignature: Ubuntu 4.4.0-93.116-generic 4.4.79
  Uname: Linux 4.4.0-93-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.10
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: X-Cinnamon
  Date: Fri Sep 22 06:41:37 2017
  InstallationDate: Installed on 2016-02-20 (579 days ago)
  InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: No upgrade log present (probably fresh install)
  VarLogDistupgradeTermlog:

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