[Bug 681295] Re: update-manager shows error message and exits

[dino99]

This version is no more supported

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

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Title:
  update-manager shows error message and exits

Status in update-manager package in Ubuntu:
  Invalid

Bug description:
  Binary package hint: update-manager

  1)
  Description:	Ubuntu 10.04.1 LTS
  Release:	10.04

  2)
  update-manager:
    Installed: 1:0.134.11
    Candidate: 1:0.134.11
    Version table:
   *** 1:0.134.11 0
          100 /var/lib/dpkg/status

  3) 
  I expected the upgrade process to run and upgrade my system to 10.10

  4) 
  I'm running Lucid Lynx and wanted to upgrade to Maverick Meerkat, so I started up update-manager and clicked the "Upgrade" button. It then displayed the release notes, and I pressed the upgrade button on that window, After that the Distribution Upgrade window was displayed, and it finished the "Preparing upgrade" stage successfully. Then there was a pop-up message that said "Third part sources disabled" etc. I clicked the "Close" button on that message. After just a second or so of processing, I got the following error pop-up message:

  "Invalid package information

  After your package information was updated the essential package 'ubuntu-minimal' can not be found anymore.
  This indicates a serious error, please report this bug against the 'update-manager' package and include the files in /var/log/dist-upgrade/ in the bug report."

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: update-manager 1:0.134.11
  ProcVersionSignature: Ubuntu 2.6.32-26.47-generic 2.6.32.24+drm33.11
  Uname: Linux 2.6.32-26-generic i686
  Architecture: i386
  Date: Thu Nov 25 09:45:34 2010
  PackageArchitecture: all
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_GB.utf8
   SHELL=/bin/bash
  SourcePackage: update-manager

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