You can also try: sudo apt-get install --reinstall mono-complete
** Changed in: mono (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mono in Ubuntu. https://bugs.launchpad.net/bugs/1394116 Title: package mono-runtime-common 3.2.8+dfsg-4ubuntu1 failed to install/upgrade: package mono-runtime-common is not ready for configuration cannot configure (current status `half-installed') Status in mono package in Ubuntu: Incomplete Bug description: this appear on the start my computer. lubuntu 14.04 also the bug appear to manage with Software center. ProblemType: Package DistroRelease: Ubuntu 14.04 Package: mono-runtime-common 3.2.8+dfsg-4ubuntu1 ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8 Uname: Linux 3.13.0-39-generic i686 ApportVersion: 2.14.1-0ubuntu3.5 Architecture: i386 Date: Tue Nov 18 11:59:00 2014 DuplicateSignature: package:mono-runtime-common:3.2.8+dfsg-4ubuntu1:package mono-runtime-common is not ready for configuration cannot configure (current status `half-installed') ErrorMessage: package mono-runtime-common is not ready for configuration cannot configure (current status `half-installed') InstallationDate: Installed on 2014-05-19 (183 days ago) InstallationMedia: Lubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140416.2) SourcePackage: mono SystemImageInfo: Error: [Errno 2] Aucun fichier ou dossier de ce type: 'system-image-cli' Title: package mono-runtime-common 3.2.8+dfsg-4ubuntu1 failed to install/upgrade: package mono-runtime-common is not ready for configuration cannot configure (current status `half-installed') UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mono/+bug/1394116/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp