Public bug reported: I was trying to remove the package and thus the error happened.
ProblemType: Package DistroRelease: Ubuntu 13.04 Package: virtualbox (not installed) ProcVersionSignature: Ubuntu 3.8.0-26.38-generic 3.8.13.2 Uname: Linux 3.8.0-26-generic i686 ApportVersion: 2.9.2-0ubuntu8.1 Architecture: i386 Date: Sat Jul 27 20:48:05 2013 DuplicateSignature: package:virtualbox:(not installed):package virtualbox is already installed and configured ErrorMessage: package virtualbox is already installed and configured InstallationDate: Installed on 2011-12-09 (596 days ago) InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012) MarkForUpload: True SourcePackage: dpkg Title: package virtualbox (not installed) failed to install/upgrade: package virtualbox is already installed and configured UpgradeStatus: Upgraded to raring on 2013-04-26 (92 days ago) ** Affects: dpkg (Ubuntu) Importance: Undecided Status: New ** Tags: apport-package i386 need-duplicate-check raring -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1205704 Title: package virtualbox (not installed) failed to install/upgrade: package virtualbox is already installed and configured To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/1205704/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs