Public bug reported: 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 If none of this applies, then please report this bug using the command 'ubuntu-bug update-manager' in a terminal. ProblemType: Bug DistroRelease: Ubuntu 11.10 Package: update-manager 1:0.152.25.9 ProcVersionSignature: Ubuntu 3.0.0-19.33-generic-pae 3.0.27 Uname: Linux 3.0.0-19-generic-pae i686 ApportVersion: 1.23-0ubuntu4 Architecture: i386 Date: Mon May 14 12:15:09 2012 InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.1) PackageArchitecture: all ProcEnviron: PATH=(custom, user) LANG=en_IN SHELL=/bin/bash SourcePackage: update-manager UpgradeStatus: Upgraded to oneiric on 2012-05-14 (0 days ago) ** Affects: update-manager (Ubuntu) Importance: Undecided Status: New ** Tags: apport-bug dist-upgrade i386 oneiric running-unity -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/999001 Title: Can't able to upgrade ubuntu 11.10 to 12.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/999001/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs