[Bug 1901551] [NEW] I have tried several times to install the updtae evrsion from 18.04 to 20.04. Each time, I have the same answer : There was an unsolvable problem during the upgrade calculation. This was probably caused by: * unofficial software packages that are not from Ubuntu. Please use the "ppa-purge" command from the package "Ppa-purge" to remove packets from a PPA Launchpad repository, and then try to rerun the upgrade.

[Défarge]

Public bug reported:

There was an unsolvable problem during the upgrade calculation.

  This was probably caused by:
  * unofficial software packages that are not from Ubuntu.
Please use the "ppa-purge" command from the package
"Ppa-purge" to remove packets from a
PPA Launchpad repository, and then try to rerun the upgrade.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.38
ProcVersionSignature: Ubuntu 5.4.0-52.57~18.04.1-generic 5.4.65
Uname: Linux 5.4.0-52-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.18
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: XFCE
Date: Mon Oct 26 15:18:28 2020
InstallationDate: Installed on 2019-12-23 (307 days ago)
InstallationMedia: Xubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2020-10-26 (0 days ago)
VarLogDistupgradeTermlog:

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


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

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https://bugs.launchpad.net/bugs/1901551

Title:
  I have tried several times to install the updtae evrsion from 18.04 to
  20.04. Each time, I have the same answer : There was an unsolvable
  problem during the upgrade calculation.    This was probably caused
  by:   * unofficial software packages that are not from Ubuntu. Please
  use the "ppa-purge" command from the package "Ppa-purge" to remove
  packets from a PPA Launchpad repository, and then try to rerun the
  upgrade.

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

Bug description:
  There was an unsolvable problem during the upgrade calculation.

    This was probably caused by:
    * unofficial software packages that are not from Ubuntu.
  Please use the "ppa-purge" command from the package
  "Ppa-purge" to remove packets from a
  PPA Launchpad repository, and then try to rerun the upgrade.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.38
  ProcVersionSignature: Ubuntu 5.4.0-52.57~18.04.1-generic 5.4.65
  Uname: Linux 5.4.0-52-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.18
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: XFCE
  Date: Mon Oct 26 15:18:28 2020
  InstallationDate: Installed on 2019-12-23 (307 days ago)
  InstallationMedia: Xubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-10-26 (0 days ago)
  VarLogDistupgradeTermlog:

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