Cannot upgrade to Tasty Tahr 14.04.1 LTS

[Greg Payne]

I am being prompted to upgrade my Ubuntu by upgrade manager. However, when I try this the upgrade fails. I have no idea why other than my installed packages seem to have unmet dependencies.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: update-manager 1:0.156.14.17
ProcVersionSignature: Ubuntu 3.2.0-67.101-generic 3.2.60
Uname: Linux 3.2.0-67-generic i686
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: i386
Date: Tue Aug 26 22:40:43 2014
GsettingsChanges:
 com.ubuntu.update-manager first-run false
 com.ubuntu.update-manager launch-time 1407930413
 com.ubuntu.update-manager show-details true
 com.ubuntu.update-manager window-height 723
 com.ubuntu.update-manager window-width 1278
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_GB:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: update-manager
Symptom: ubuntu-release-upgrader-core
UpgradeStatus: Upgraded to precise on 2014-08-26 (0 days ago)
VarLogDistupgradeTermlog: