*** This bug is a duplicate of bug 1712089 *** https://bugs.launchpad.net/bugs/1712089
I had the same problem also, I ran xhost +si:localuser:root in terminal and all good now. Thanks so much for this help. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1725441 Title: Synaptic package manager not working in 17.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/synaptic/+bug/1725441/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs