Just to add to the discussion, I did an upgrade from 9.04 to 9.10/karmic alpha 1 and encountered this same problem.
Re-installing with "sudo apt-get install --reinstall python-qt4-dbus" does not resolve it. The sym-link does exist: # ls -l /var/lib/python-support/python2.6/dbus/mainloop/qt.so lrwxrwxrwx 1 root root 47 2009-06-03 15:41 /var/lib/python-support/python2.6/dbus/mainloop/qt.so -> /usr/lib/pyshared/python2.6/dbus/mainloop/qt.so # ls -l /usr/lib/pyshared/python2.6/dbus/mainloop/qt.so -rw-r--r-- 1 root root 19152 2009-05-21 19:47 /usr/lib/pyshared/python2.6/dbus/mainloop/qt.so ** Attachment added: "printer_applet_error.png" http://launchpadlibrarian.net/27468336/printer_applet_error.png -- /var/lib/python-support/python2.6/dbus/mainloop/qt.so missing after upgrade https://bugs.launchpad.net/bugs/348704 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs