I have noticed this on firefox upgrades before but stopped seeing it on gutsy after tribe2 this maybe a regression but opening up preferences from the icon than closing this should reset it. I see this more commonly during a firefox upgrade that changes/edits/modifies icon.
-- Launcher icon missing, red "X" displayed instead https://bugs.launchpad.net/bugs/123045 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs