[Bug 911160] [NEW] problem upgrading Ubuntu 10.04 to 12.04 in update manager

[Josh Owens]

Public bug reported:

When trying to update Ubuntu 10.04 to Ubuntu 12.04, I just ALT-F2 and typed ' sudo update-manager -d' and followed the instructions when update manager opened up and said new distribution available Ubuntu 12.04. While the upgrade was running I get this error: 
"E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

 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" 

I am running a fresh install of Ubuntu 10.04LTS with all of the updates
installed. Nothing else is installed on my system. Why do I get this
error?

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: update-manager 1:0.134.11.1
ProcVersionSignature: Ubuntu 2.6.32-37.81-generic 2.6.32.49+drm33.21
Uname: Linux 2.6.32-37-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Tue Jan  3 03:25:23 2012
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.1)
PackageArchitecture: all
ProcEnviron:
 LANG=en_US.UTF-8
 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/911160

Title:
  problem upgrading Ubuntu 10.04 to 12.04 in update manager

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  When trying to update Ubuntu 10.04 to Ubuntu 12.04, I just ALT-F2 and typed ' sudo update-manager -d' and followed the instructions when update manager opened up and said new distribution available Ubuntu 12.04. While the upgrade was running I get this error: 
  "E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

   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" 

  I am running a fresh install of Ubuntu 10.04LTS with all of the
  updates installed. Nothing else is installed on my system. Why do I
  get this error?

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: update-manager 1:0.134.11.1
  ProcVersionSignature: Ubuntu 2.6.32-37.81-generic 2.6.32.49+drm33.21
  Uname: Linux 2.6.32-37-generic i686
  NonfreeKernelModules: nvidia
  Architecture: i386
  Date: Tue Jan  3 03:25:23 2012
  InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.1)
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager

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