The browser must be restarted to return Lastpass back to a fully functioning state.

If you select 'Show matching sites in top level menu', then go to one of those menu choices on a given site and select 'options', it takes you to a little dropdown toolbar menu that says 'back' but nothing else, and from that point the Lastpass toolbar menu is no longer accessible.

One tester reported the beta still has some issues on their Firefox: Most users who uninstalled the last stable release of the LastPass extension and installed the beta release reported that it helped them. I see some active threads on the LastPass forums (about 11 pages of posts), but there is not a clear solution yet: Since redbike9 cross-posted in this earlier thread, I'll mention some research I did in responding to their question:

If I lose that functionality (and apparently, that's the direction in which Firefox is headed), I'll use another browser, as I am. Understand well: it's the add-ons and extensions that lend Firefox its functionality. ('No longer works properly': log-in status and other preferences aren't stored.)Įmphasizing: the problem isn't with LastPass, which functions properly in other popular browsers the problem is with Firefox. LastPass failed to work properly, so I attempted to revert to Firefox v 54.0.1 in which LastPass now no longer works properly. I had been successfully using LastPass (v 4.1.62, installed from Firefox's 'add-ons' panel) with Firefox (v 54.0.1). If LastPass works properly with other browsers commonly in use, and fails to work with Firefox, identifying the source of the problem is obvious. The problem is with Firefox, not with LastPass.

Before continuing, note well: LastPass continues to work properly in, e.g.: Brave, Chrome, IE, Opera, etc.

Lastpass extension for firefox