This keeps happening for me too (12.04), noticed it first after a Firefox update to version 19 or 20. Restarting Firefox resolves it for a while but it always reoccurs. I am currectly testing in safe mode to see if it is caused by an Add-on and will update ticket if I find anything.
It has also been reported by another user to Mozilla Support: https://support.mozilla.org/en-US/questions/968045 Seems to currently only affect Ubuntu 12.04 users. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1149427 Title: huge mouseover box To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1149427/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
