Actually, I'm having this problem in Empathy. Even if I choose to remember the choice to trust the certificate, it still comes up each time I log into facebook. I also tried Mike Pelley's steps above and that didn't seem to help. I'll add a screenshot of the message.
** Attachment added: "Screenshot" https://bugs.launchpad.net/ubuntu/+source/gwibber/+bug/746973/+attachment/1993222/+files/Screenshot.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/746973 Title: Facebook certificate is untrusted -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
