jockey-gtk crashed with DBusException in call_blocking() on Live USB Ubuntu 9.10 "Super OS"

This is a default un-changed iso image of Ubuntu 9.10 "Super OS", running on USB Thumb-drive.

Acer Aspire 5100-5455
No proprietary divers in use & everything is working fine. When Iogged in, I received an error message to report this bug, so I did.

ProblemType: Crash
Architecture: i386
Date: Tue Mar 16 21:14:38 2010
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/jockey-gtk
InterpreterPath: /usr/bin/python2.6
LiveMediaBuild: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
MachineType: Acer Aspire 5100
Package: jockey-gtk 0.5.5-0ubuntu3
PackageArchitecture: all
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: BOOT_IMAGE=/casper/vmlinuz noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/hostname.seed boot=casper initrd=/casper/initrd.lz quiet splash --
ProcCmdline: /usr/bin/python /usr/bin/jockey-gtk --check 60
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
PythonArgs: ['/usr/bin/jockey-gtk', '--check', '60']
SourcePackage: jockey
Title: jockey-gtk crashed with DBusException in call_blocking()
Uname: Linux 2.6.31-14-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (gnome-settings-daemon:4654): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (gnome-settings-daemon:4654): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (nautilus:4803): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
 (polkit-gnome-authentication-agent-1:4826): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
dmi.bios.date: 08/22/2008
dmi.bios.vendor: Acer
dmi.bios.version: V3.13
dmi.board.name: Navarro
dmi.board.vendor: Acer
dmi.board.version: N/A
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAcer:bvrV3.13:bd08/22/2008:svnAcer:pnAspire5100:pvrV3.13:rvnAcer:rnNavarro:rvrN/A:cvnAcer:ct10:cvrN/A:
dmi.product.name: Aspire 5100
dmi.product.version: V3.13
dmi.sys.vendor: Acer