Just tested fresh Kubuntu 12.04.4 and the problem not exist. Then I found that problem triggered from cups 1.5.3-0ubuntu8.4 (latest version currently)
Problem not occured if using: # cups 1.5.3-0ubuntu8 (shipped with Kubuntu 12.04.4) # cups 1.5.2-9ubuntu1 (precise) ** Also affects: cups Importance: Undecided Status: New -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to Kubuntu PPA. https://bugs.launchpad.net/bugs/1360246 Title: Crash / can not access Printer Configuration - Server Settings To manage notifications about this bug go to: https://bugs.launchpad.net/cups/+bug/1360246/+subscriptions -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs