package p7zip 9.20.1~dfsg.1-4 failed to install/upgrade: package p7zip is not ready for configuration cannot configure (current status `half-installed')

[stefan burgoyne]

Happened when installing gconf-editor. gconf-editor is usable however.

ProblemType: Package
DistroRelease: Ubuntu 13.04
Package: p7zip 9.20.1~dfsg.1-4
ProcVersionSignature: Ubuntu 3.8.0-19.29-generic 3.8.8
Uname: Linux 3.8.0-19-generic x86_64
ApportVersion: 2.9.2-0ubuntu8
AptOrdering:
 gconf-defaults-service: Install
 gconf-editor: Install
 p7zip: Configure
 gconf-defaults-service: Configure
 gconf-editor: Configure
Architecture: amd64
Date: Tue Dec 24 18:44:53 2013
DpkgHistoryLog:
 Start-Date: 2013-12-24 18:44:40
 Commandline: apt-get install gconf-editor
 Install: gconf-editor:amd64 (3.0.1-1ubuntu2), gconf-defaults-service:amd64 (3.2.6-0ubuntu1, automatic)
DuplicateSignature:
 Processing triggers for hicolor-icon-theme ...
 dpkg: error processing p7zip (--configure):
  package p7zip is not ready for configuration
ErrorMessage: package p7zip is not ready for configuration cannot configure (current status `half-installed')
InstallationDate: Installed on 2013-07-11 (166 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MarkForUpload: True
SourcePackage: p7zip
Title: package p7zip 9.20.1~dfsg.1-4 failed to install/upgrade: package p7zip is not ready for configuration cannot configure (current status `half-installed')
UpgradeStatus: No upgrade log present (probably fresh install)