Not sure about the original poster, but I'm getting this error to pop up while upgrading from Ubuntu 9.10 to 10.04, but it is being generated by deskbar-applet, not Firefox, so the bug should probably be changed to apply to the "deskbar-applet" package instead.
-- desktop applet not installed https://bugs.launchpad.net/bugs/558700 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