software-properties-gtk crashed with KeyError in __getitem__(): "The cache has no package named 'virtualbox-guest-dkms'"

Closed software center.

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: software-properties-gtk 0.91
ProcVersionSignature: Ubuntu 3.5.0-6.6-generic 3.5.0
Uname: Linux 3.5.0-6-generic x86_64
ApportVersion: 2.4-0ubuntu6
Architecture: amd64
Date: Thu Aug 2 09:14:02 2012
ExecutablePath: /usr/bin/software-properties-gtk
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120801.1)
InterpreterPath: /usr/bin/python3.2mu
PackageArchitecture: all
ProcCmdline: /usr/bin/python3.2 /usr/bin/software-properties-gtk -n -t 0
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/software-properties-gtk', '-n', '-t', '0']
SourcePackage: software-properties
Title: software-properties-gtk crashed with KeyError in __getitem__(): "The cache has no package named 'virtualbox-guest-dkms'"
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo