The workaround mentioned by Hugues Haubruge worked for me as well, however I had to try multiple times.
The warning was exactly the same message for me. After the 4th try, firefox finally opened a new tab with the RTM security thing in it. Confirmed to still work after re-enabling the handlers. -- Tasque Error when using Remember the Milk as Task Management System https://bugs.launchpad.net/bugs/337849 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
