[Bug 1577362] Re: Unable to upgrade and update Ubuntu 15.04

[Ubuntu Foundations Team Bug Bot]

*** This bug is a duplicate of bug 1069133 ***
    https://bugs.launchpad.net/bugs/1069133

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1069133, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug.  Additionally, any further discussion regarding the bug should occur in the other report.  Please continue to report any other bugs you may find.
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** This bug has been marked a duplicate of bug 1069133
   Get upgrade error 12.04 - 12.10 "Could not determine upgrade" - xorg from ppa

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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:
  Invalid

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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