[Bug 874646] Re: Upgrade to 11.10 says I cannot proceed

[Walter Garcia-Fontes]

Thanks, these last logs are the logs from your upgrade to natty, which
ended successfully as you say.

You may try to change the software sources (at Ubuntu Software Center
for instance), if you are not using the Main Server you can try that,
and try the upgrade to 11.10 again.

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Title:
  Upgrade to 11.10 says I cannot proceed

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

Bug description:
  I am told:
  ---------
  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
  ---------
  I happened to successfully upgrade to 11.04 release a few days ago, does this mean I have inadvertently put myself in scenario 1 or 2 ?  And sure I probably have some other non Ubuntu-provided software.  

  Is a more detailed error report available somewhere, then I could try
  to eliminate the cause?

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: update-manager 1:0.150.3
  ProcVersionSignature: Ubuntu 2.6.38-11.50-generic 2.6.38.8
  Uname: Linux 2.6.38-11-generic i686
  Architecture: i386
  Date: Fri Oct 14 21:30:49 2011
  GConfNonDefault:
   /apps/update-manager/check_new_release_ignore=natty
   /apps/update-manager/first_run=false
   /apps/update-manager/show_details=true
   /apps/update-manager/window_size=(600,600)
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_GB:en
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to natty on 2011-10-14 (0 days ago)

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