The apport issue is fixed in Natty. As for the other error, I can't think of anything besides DBus crashing that would cause this. Have you seen the issue again since you've reported the bug?
** Changed in: network-manager (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/747820 Title: [Maverick] DBus.Error.NameHasNoOwner: Remote Exception invoking -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs