jockey-backend crashed with SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)

Was trying to install ATI drivers through "Additional Drivers" Dialogue.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: jockey-common 0.9.3-0ubuntu1
Uname: Linux 3.1.0-0301rc2-generic x86_64
Architecture: amd64
Date: Tue Aug 16 22:03:00 2011
ExecutablePath: /usr/share/jockey/jockey-backend
InstallationMedia: Lubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110801)
InterpreterPath: /usr/bin/python2.7
MachineType: Hewlett-Packard HP Pavilion dm1 Notebook PC
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/share/jockey/jockey-backend --debug -l /var/log/jockey.log
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.1.0-0301rc2-generic root=UUID=2f5691e9-7d52-433a-b259-f317f83f56d7 ro quiet splash vt.handoff=7
PythonArgs: ['/usr/share/jockey/jockey-backend', '--debug', '-l', '/var/log/jockey.log']
SourcePackage: jockey
Title: jockey-backend crashed with SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)
Traceback: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 03/04/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.05
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 1611
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 96.1F
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnHewlett-Packard:bvrF.05:bd03/04/2011:svnHewlett-Packard:pnHPPaviliondm1NotebookPC:pvr0587100002252B00000320100:rvnHewlett-Packard:rn1611:rvr96.1F:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: HP Pavilion dm1 Notebook PC
dmi.product.version: 0587100002252B00000320100
dmi.sys.vendor: Hewlett-Packard