[Bug 893715] Re: unable to upgrade lubuntu

[Semen Cirit]

It seems to me that this bug is duplicate of #894214.

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Title:
  unable to upgrade lubuntu

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

Bug description:
  Updating repository information
  WARNING: Failed to read mirror file

  Third party sources disabled

  Some third party entries in your sources.list were disabled. You can
  re-enable them after the upgrade with the 'software-properties' tool
  or your package manager.

  To continue please press [ENTER]

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: update-manager (not installed)
  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 Nov 22 12:38:04 2011
  InstallationMedia: Lubuntu 10.04 "Lucid Lynx" - i386 (20100429)
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
    
  ....................................

  Calculating the changes

  Could not calculate the upgrade

  An unresolvable problem occurred while calculating the upgrade: 
  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 

  If none of this applies, then please report this bug using the 
  command 'ubuntu-bug update-manager' in a terminal. 

  
  Restoring original system state

  Aborting
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done
  Building data structures... Done 
  charlied at charlied-laptop:~$

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