I tried this: dpkg --purge libjpeg9-dev:amd64
(Reading database ... 255624 files and directories currently installed.) Removing libjpeg9-dev:amd64 (1:9b-1) ... but it did not completely fixed. By making sure both libjpeg-turbo8-dev:amd64 and libjpeg8-dev:amd64 were selected, then it seemed to fix the problem. Terminal logs availab!e. ** Tags added: has-workaround -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to libjpeg-turbo in Ubuntu. https://bugs.launchpad.net/bugs/1570105 Title: package libjpeg-turbo8-dev (not installed) failed to install/upgrade: tentative de remplacement de « /usr/include/jerror.h », qui appartient aussi au paquet libjpeg9-dev:amd64 1:9b-1 Status in libjpeg-turbo package in Ubuntu: New Bug description: Was installing opencv-dev with aptitude. Aptitude offered to resolve a conflict between libjpeg packages. I accepted the offered solution. Next time I opened aptitude, it sad opencv-dev packaged were not fully installed. Seems like error is permanent (i.e. will not resolve itself just with upgrade instructions Dépaquetage de libjpeg-turbo8-dev:amd64 (1.4.2-0ubuntu3) ... dpkg: erreur de traitement de l'archive /var/cache/apt/archives/libjpeg-turbo8-dev_1.4.2-0ubuntu3_amd64.deb (--unpack) : tentative de remplacement de « /usr/include/jerror.h », qui appartient aussi au paquet libjpeg9-dev:amd64 1:9b-1 dpkg-deb : erreur : le sous-processus coller a été tué par le signal (Relais brisé (pipe)) Des erreurs ont été rencontrées pendant l'exécution : /var/cache/apt/archives/libjpeg-turbo8-dev_1.4.2-0ubuntu3_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) Impossible d'effectuer l'opération demandée sur le paquet. Essai de récupération : ... ProblemType: Package DistroRelease: Ubuntu 16.04 Package: libjpeg-turbo8-dev (not installed) ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6 Uname: Linux 4.4.0-18-generic x86_64 ApportVersion: 2.20.1-0ubuntu1 Architecture: amd64 Date: Wed Apr 13 23:20:56 2016 ErrorMessage: tentative de remplacement de « /usr/include/jerror.h », qui appartient aussi au paquet libjpeg9-dev:amd64 1:9b-1 InstallationDate: Installed on 2016-02-03 (70 days ago) InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160203) RelatedPackageVersions: dpkg 1.18.4ubuntu1 apt 1.2.10 SourcePackage: libjpeg-turbo Title: package libjpeg-turbo8-dev (not installed) failed to install/upgrade: tentative de remplacement de « /usr/include/jerror.h », qui appartient aussi au paquet libjpeg9-dev:amd64 1:9b-1 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libjpeg-turbo/+bug/1570105/+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