[Bug 1868466] Re: Unofficial software packages not provided by Ubuntu Please use the tool 'ppa-purge' from the ppa-purge

[Launchpad Bug Tracker]

*** This bug is a duplicate of bug 1611737 ***
    https://bugs.launchpad.net/bugs/1611737

Status changed to 'Confirmed' because the bug affects multiple users.

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

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https://bugs.launchpad.net/bugs/1868466

Title:
   Unofficial software packages not provided by Ubuntu  Please use the
  tool 'ppa-purge' from the ppa-purge

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

Bug description:
  I am trying to upgrade 16.04 LTS to 18.04 LTS but It's not working. I
  am getting this info while upgrading "Unofficial software packages not
  provided by Ubuntu  Please use the tool 'ppa-purge' from the ppa-purge
  package to remove software from a Launchpad PPA and try the upgrade
  again."

  I tried to remove the software but wasn't solved the issue.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.29
  ProcVersionSignature: Ubuntu 4.15.0-91.92~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-91-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.22
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: MATE
  Date: Sun Mar 22 15:21:15 2020
  InstallationDate: Installed on 2017-12-14 (829 days ago)
  InstallationMedia: Ubuntu-MATE 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2020-03-22 (0 days ago)
  mtime.conffile..etc.update-manager.release-upgrades: 2019-10-30T03:37:48.795151

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