system upgrade to Ubuntu 12.04.1 LTS is impossible, deleting the update -manager is blocked by the system

[Gau]

I tried to upgrade my Ubuntu 10.04 LTS to the 12.04.1 LTS but the upgrade is stopped by the system cause of heavy problems while deleting the update-manger.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: update-manager 1:0.134.12.1
ProcVersionSignature: Ubuntu 2.6.32-44.98-generic 2.6.32.59+drm33.24
Uname: Linux 2.6.32-44-generic i686
Architecture: i386
Date: Tue Oct 30 09:01:03 2012
GConfNonDefault:
 /apps/update-manager/check_new_release_ignore=
 /apps/update-manager/first_run=false
 /apps/update-manager/show_details=false
 /apps/update-manager/show_versions=false
 /apps/update-manager/window_size=(600,600)
InstallationMedia: Ubuntu 10.04.4 LTS "Lucid Lynx" - Release i386 (20120214.2)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=de_DE:en
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: update-manager
VarLogDistupgradeAptclonesystemstate.tar.gz: Error: [Errno 13] Keine Berechtigung: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
VarLogDistupgradeTermlog:

[Seth Arnold (seth-arnold)]

Thanks for taking the time to report this bug and helping to make Ubuntu better. We appreciate the difficulties you are facing, but this appears to be a "regular" (non-security) bug. I have unmarked it as a security issue since this bug does not show evidence of allowing attackers to cross privilege boundaries nor directly cause loss of data/privacy. Please feel free to report any other bugs you may find.