I also had the bug: when a download is completed, Firefox would crash. I desactivated the Prism extension and now it works fine. I have marked another bug (https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/238363) as a duplicate of this one.
I also had the bug: when a download is completed, Firefox would crash. I desactivated the Prism extension and now it works fine. /bugs.launchpad .net/ubuntu/ +source/ firefox/ +bug/238363) as a duplicate of this one.
I have marked another bug (https:/