Hi Patrick, I had added this repo but to no avail. It also gave an error: Fout:6 http://ppa.launchpad.net/ubuntugis/ubuntugis-unstable/ubuntu artful > Release > 404 Not Found Regards, -- Sent from: http://osgeo-org.1560.x6.nabble.com/QGIS-User-f4125267.html