Yes, I tried reinstalling a couple of times. When I opened Firefox 33.1 for the first time, Dashlane simply did not do it's job, which is to put their icon at the right end of each box where I would insert information so I can click on it and get my saved usernames/passwords. I checked to see that Dashlane was operating. It was. I also tried quitting and re-starting it, Firefox, and the computer.
Yes, I tried re-installing Dashlane, as well as the Plugin necessary to make it work with Firefox.