upgrade to 14.04.01 LTS failed

[Gary]

Only launchpad.net and cononical partners are enabled as software sources. Had tried disabling proprietary drivers and software restricted by copyright.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: update-manager 1:0.156.14.17
ProcVersionSignature: Ubuntu 3.2.0-67.101-generic-pae 3.2.60
Uname: Linux 3.2.0-67-generic-pae i686
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: i386
Date: Tue Aug 19 22:46:55 2014
GsettingsChanges:
 com.ubuntu.update-manager first-run false
 com.ubuntu.update-manager launch-time 1408513512
 com.ubuntu.update-manager window-height 587
 com.ubuntu.update-manager window-width 600
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
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 2014-08-20 (0 days ago)
VarLogDistupgradeTermlog:

[Gary (gary+ubuntu)]

wish I could do more to help.