Im having these applet errors as well. I believe my problems started after I installed Kubuntu on top of my Ubuntu. Logging out and back in does not recreate the problem and the apps that did not load, are working again.
-- Series of GNOME errors upon startup https://bugs.launchpad.net/bugs/426965 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