Apparently Do is looking for the Firefox 3.0 icon, which is no longer there. Creating a symlink to the new Firefox 3.5 icon fixed it for me:
sudo ln -s /usr/share/pixmaps/firefox-3.5.png /usr/share/pixmaps/firefox-3.0.png -- Firefox plugin shows incorrect icon https://bugs.launchpad.net/bugs/444171 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