install package´s or remove package´s failed + update manager

during the installation of update files the update-manager say´s (The Instalation or removing of file´s is failing

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: update-manager 1:0.165
ProcVersionSignature: Ubuntu 3.5.0-2.2-generic 3.5.0-rc4
Uname: Linux 3.5.0-2-generic x86_64
ApportVersion: 2.2.5-0ubuntu1
Architecture: amd64
Date: Tue Jul 3 16:31:34 2012
ExecutablePath: /usr/bin/update-manager
GsettingsChanges:
 b'com.ubuntu.update-manager' b'first-run' b'false'
 b'com.ubuntu.update-manager' b'launch-time' b'1341325804'
 b'com.ubuntu.update-manager' b'show-details' b'true'
 b'com.ubuntu.update-manager' b'window-height' b'744'
 b'com.ubuntu.update-manager' b'window-width' b'959'
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120627)
InterpreterPath: /usr/bin/python3.2mu
PackageArchitecture: all
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
SourcePackage: update-manager
UpgradeStatus: No upgrade log present (probably fresh install)