[Bug 1467977] Re: when i start upgrading ubuntu it gives an upgrade failure error "This can be caused by: * Upgrading to a pre-release version of Ubuntu * Running the current pre-release version of Ubuntu * Unofficial software packages not provided by Ubuntu"

[Brian Murray]

Thank you for taking the time to report this issue and helping to make
Ubuntu better. Examining the information you have given us, this does
not appear to be a bug report so we are closing it and converting it to
a question in the support tracker. We understand the difficulties you
are facing, but it is better to raise problems you are having in the
support tracker at https://answers.launchpad.net/ubuntu if you are
uncertain if they are bugs. You can also find help posting your problem
in the support forum of your local Ubuntu's community
http://loco.ubuntu.com/ or asking at http://askubuntu.com. For help on
reporting bugs, see https://help.ubuntu.com/community/ReportingBugs.

** Changed in: update-manager (Ubuntu)
       Status: New => Invalid

** Converted to question:
   https://answers.launchpad.net/ubuntu/+source/update-manager/+question/268482

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https://bugs.launchpad.net/bugs/1467977

Title:
  when i start upgrading ubuntu it gives an upgrade failure error "This
  can be caused by:  * Upgrading to a pre-release version of Ubuntu  *
  Running the current pre-release version of Ubuntu  * Unofficial
  software packages not provided by Ubuntu"

Status in update-manager package in Ubuntu:
  Invalid

Bug description:
  This can be caused by:
   * Upgrading to a pre-release version of Ubuntu
   * Running the current pre-release version of Ubuntu
   * Unofficial software packages not provided by Ubuntu

  please tell me how to upgrade from 10.04 to 12.04

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: update-manager 1:0.134.7
  ProcVersionSignature: Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2
  Uname: Linux 2.6.32-21-generic i686
  Architecture: i386
  Date: Tue Jun 23 20:42:50 2015
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_IN
   SHELL=/bin/bash
  SourcePackage: update-manager

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