[Bug 1577362] [NEW] Unable to upgrade and update Ubuntu 15.04

[Matthieu Charton]

Public bug reported:

It has been months since I received an update for any program, and
attempts to upgrade my ubuntu 15.04  to either 15.10 or 16.04 result in
an unsolvable error.

"
Impossible d'évaluer la mise à niveau 

Un problème insoluble est survenu lors de la préparation de la mise à 
niveau. 
"

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: ubuntu-release-upgrader-core 1:15.04.14.3
ProcVersionSignature: Ubuntu 3.19.0-58.64-generic 3.19.8-ckt16
Uname: Linux 3.19.0-58-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.17.2-0ubuntu1.8
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Mon May  2 13:19:49 2016
InstallationDate: Installed on 2015-03-07 (422 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to vivid on 2016-05-02 (0 days ago)

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


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

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https://bugs.launchpad.net/bugs/1577362

Title:
  Unable to upgrade and update Ubuntu 15.04

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

Bug description:
  It has been months since I received an update for any program, and
  attempts to upgrade my ubuntu 15.04  to either 15.10 or 16.04 result
  in an unsolvable error.

  "
  Impossible d'évaluer la mise à niveau 

  Un problème insoluble est survenu lors de la préparation de la mise à 
  niveau. 
  "

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: ubuntu-release-upgrader-core 1:15.04.14.3
  ProcVersionSignature: Ubuntu 3.19.0-58.64-generic 3.19.8-ckt16
  Uname: Linux 3.19.0-58-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.17.2-0ubuntu1.8
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Mon May  2 13:19:49 2016
  InstallationDate: Installed on 2015-03-07 (422 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to vivid on 2016-05-02 (0 days ago)

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