Public bug reported: The system has asked permission to upgrade to ubuntu 14.4 version but then shows an error which says Could not calculate the upgrade An unresolvable problem occurred while calculating the upgrade.
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 ubuntu-release-upgrader-core' in a terminal. I am currently using Ubuntu 12.04 LTS ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: update-manager 1:0.156.14.17 ProcVersionSignature: Ubuntu 3.2.0-68.102-generic 3.2.62 Uname: Linux 3.2.0-68-generic i686 ApportVersion: 2.0.1-0ubuntu17.7 Architecture: i386 Date: Fri Sep 19 10:09:03 2014 InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1) 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 2014-09-19 (0 days ago) VarLogDistupgradeTermlog: ** Affects: update-manager (Ubuntu) Importance: Undecided Status: New ** Tags: apport-bug dist-upgrade i386 precise 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/1371431 Title: The system has asked permission to upgrade to ubuntu 14.4 version but then shows an error which says Could not calculate the upgrade An unresolvable problem occurred while calculating the upgrade. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1371431/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs