Hello housemannh, Thanks for contacting Mozilla Support. The Dashlane extension can stop working after a new version of Firefox is released. They should release an update to their extension soon. In the meantime take a look at this article on their support site. [http://support.dashlane.com/customer/portal/articles/793174-how-to-use-dashlane-in-a-new-or-updated-browser- How to use Dashlane in a new or updated browser] Please let us know if this answers your question. Patrick