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.

Bug #1371431 reported by Juneed-s
10
This bug affects 2 people
Affects Status Importance Assigned to Milestone
update-manager (Ubuntu)
Confirmed
Undecided
Unassigned

Bug Description

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:

Revision history for this message
Juneed-s (juneed-s) wrote :
Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in update-manager (Ubuntu):
status: New → Confirmed
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