Sorry, there's no bug. dconf reset -f /
solved the problem, although it is not the most elegant solution. ** Changed in: unity (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1374390 Title: when the screen is locked, the old unlocking screen apeears instead the new unity (14.04) lockscreen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1374390/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs