I love this add-on and have used it for over a year now on several devices, it always worked perfectly. Now, suddenly, I can log in, but after, the little window stays completely empty, the short-cuts to fill in forms and passwords doesn't work anymore and I can't find a way to fix it. I haven't changed anything in my settings or security, so it must be a bug with the add-on. As soon as that's fixed, I'll gladly give this five stars again!