[Bug 820952] Re: 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 using the command 'ubuntu-bug update-manager' in a terminal and include the files in /var/log/dist-upgrade/ in the bug report.

[Robert Roth]

*** This bug is a duplicate of bug 772531 ***
    https://bugs.launchpad.net/bugs/772531

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 #772531, 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. Feel free to continue to report any other bugs you may
find.

The workaround for many of the users experiencing this problem was to switch the mirror used using the Software Sources(software-properties-gtk) tool.
---
Ubuntu Bug Squad volunteer triager
http://wiki.ubuntu.com/BugSquad

** This bug has been marked a duplicate of bug 772531
   'ubuntu-minimal' cannot be found anymore while upgrading to Natty Narwhal

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https://bugs.launchpad.net/bugs/820952

Title:
  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 using the command 'ubuntu-bug update-
  manager' in a terminal and include the files in /var/log/dist-upgrade/
  in the bug report.

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

Bug description:
  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 using the command 'ubuntu-bug update-manager' in a terminal and include the files in /var/log/dist-upgrade/ in the bug report.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: update-manager 1:0.150.3
  ProcVersionSignature: Ubuntu 2.6.38-10.46-generic-pae 2.6.38.7
  Uname: Linux 2.6.38-10-generic-pae i686
  Architecture: i386
  Date: Thu Aug  4 07:21:03 2011
  GConfNonDefault:
   /apps/update-manager/check_new_release_ignore=natty
   /apps/update-manager/first_run=false
   /apps/update-manager/window_size=(600,600)
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=zh_CN:en
   LANG=zh_CN.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to natty on 2011-08-04 (0 days ago)

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