[Bug 1773845] Re: "Cant install ubuntu desktop" message during 28 May 2018 update

[Brian Murray]

You seem to have xorg packages installed from a PPA, not the official
Ubuntu archive, and this is causing a failure to calculate the upgrade.
As we, Ubuntu developers, don't have control over the PPA there is
nothing we can do to resolve this situation. I'd suggest you use ppa-
purge to remove the PPA and try the upgrade again.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1773845

Title:
  "Cant install ubuntu desktop" message during 28 May 2018 update

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

Bug description:
  Ubuntu 16.04 LTS.
  Software Center used for package updates.
  I expected a routine, trouble-free update.
  The partial upgrade option was displayed because a full update could not be completed.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.25
  ProcVersionSignature: Ubuntu 4.13.0-43.48~16.04.1-generic 4.13.16
  Uname: Linux 4.13.0-43-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.17
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Mon May 28 12:10:35 2018
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: No upgrade log present (probably fresh install)
  VarLogDistupgradeTermlog:

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