¡Hola! Per https://bugzilla.mozilla.org/show_bug.cgi?id=1233434#c25 this shall be fixed on 43.0.4
>From http://packages.ubuntu.com/wily-updates/firefox it is not clear if this is already in Ubuntu. ¡Gracias! ** Changed in: firefox (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1527884 Title: Firefox 43.0: Downloads fail To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1527884/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs