[Bug 1197030] Re: upgrade from 12.04 to 12.10

[sukesh]

pls help me

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https://bugs.launchpad.net/bugs/1197030

Title:
  upgrade from 12.04 to 12.10

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

Bug description:
  An unresolvable problem occurred while calculating the upgrade:
  E:Unable to correct problems, you have held broken 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

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.14.11
  ProcVersionSignature: Ubuntu 3.2.0-44.69-generic-pae 3.2.44
  Uname: Linux 3.2.0-44-generic-pae i686
  ApportVersion: 2.0.1-0ubuntu17.2
  Architecture: i386
  Date: Tue Jul  2 21:35:00 2013
  GsettingsChanges:
   com.ubuntu.update-manager first-run false
   com.ubuntu.update-manager launch-time 1372780159
   com.ubuntu.update-manager window-height 715
   com.ubuntu.update-manager window-width 653
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  Symptom: ubuntu-release-upgrader-core
  UpgradeStatus: Upgraded to precise on 2013-07-02 (0 days ago)
  VarLogDistupgradeAptclonesystemstate.tar.gz: Error: [Errno 13] Permission denied: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
  VarLogDistupgradeTermlog:

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