[Bug 1467977] [NEW] 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"

[shrikant]

Public bug reported:

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

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 lucid

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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:
  New

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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