I live the same problem. When my knetworkmanager is opened i can not access to internet with kde applications. My dcop commands returns the same results. By the way i have disabled wireless networks and i use static connection to access the internet.
-- knetworkmanager stops kde applications from accessing the network https://launchpad.net/bugs/86680 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs