python2.5 crashed with DBusException in call_blocking()

[beer]

Binary package hint: python2.5

during the install of kubuntu from life cd

ProblemType: Crash
Architecture: i386
Dependencies:
 libgcc1 1:4.3.2-1ubuntu8
 zlib1g 1:1.2.3.3.dfsg-12ubuntu1
 gcc-4.3-base 4.3.2-1ubuntu8
 findutils 4.4.0-2ubuntu3
 libc6 2.8~20080505-0ubuntu7
DistroRelease: Ubuntu 8.10
ExecutablePath: /usr/bin/python2.5
InterpreterPath: /usr/bin/python2.5
Package: python2.5-minimal 2.5.2-11ubuntu3
ProcAttrCurrent: unconfined
ProcCmdline: /usr/bin/python /usr/bin/guidance-power-manager
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: []
SourcePackage: python2.5
Title: python2.5 crashed with DBusException in call_blocking()
Uname: Linux 2.6.27-4-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare