I have installed this now on my other spare machine (32-bit) and got the same bug. Also I noted now on both machines that it is not possible to change driver to nvidia. Though the recommended nvidia drivers are listed, the change is not carried out.
** Attachment added: "auth.log" https://bugs.launchpad.net/lubuntu-software-center/+bug/1424362/+attachment/4326712/+files/auth.log -- 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