quit.py crashed with DBusException in call_blocking()

Rebooting after virtualbox hung

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: awn-applets-python-core 0.4.0-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.32-25.45-generic 2.6.32.21+drm33.7
Uname: Linux 2.6.32-25-generic x86_64
Architecture: amd64
Date: Tue Oct 26 10:41:01 2010
EcryptfsInUse: Yes
ExecutablePath: /usr/share/avant-window-navigator/applets/quit/quit.py
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
InterpreterPath: /usr/bin/python2.6
PackageArchitecture: all
ProcCmdline: python /usr/share/avant-window-navigator/applets/quit/quit.py --uid=1273546871 --window=27263022 --panel-id=1
ProcEnviron:
 PATH=(custom, user)
 LANG=en_AU.utf8
 SHELL=/bin/bash
PythonArgs: ['/usr/share/avant-window-navigator/applets/quit/quit.py', '--uid=1273546871', '--window=27263022', '--panel-id=1']
SourcePackage: awn-extras-applets
Title: quit.py crashed with DBusException in call_blocking()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare