Just found the solution: Policykit Authentication Agent should be started manually under LXSessionconfiguration - Autostart . Obviously this is not switched on in these latest beta versions upon installation. Now both Lubuntu Software center as well as Synaptic are OK on my PC.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1424362 Title: no permissions to install packages in vivid daily lubuntu beta 2 To manage notifications about this bug go to: https://bugs.launchpad.net/lubuntu-software-center/+bug/1424362/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs