You didn't say exactly what problem you're having with Dashlane except that you need to restart it often. Could you be more specific?
We've been using the free version of Dashlane for almost 2 years and have an occasional problem, but nothing consistent or bad enough that I'd consider dumping it or using another browser. I use Firefox and sometimes find that the loading of Firefox and the entry of Dashlane passwords get wound up together and both come to a halt. I expect it has to do with timing of loading the browser and the password manager. When the web page loads fast, not too many problems, when it's slower things will sometimes stop. When this happens I reload the web page and things usually work fine. Just to be clear, I use NONE of what I'd consider the Dashlane bells and whistles, I just use the basic functions. We don't share the passwords across the database and when I transfer my passwords to other machines, I use a thumb drive.
Pigman & Piglady 2013 Tiffin Allegro Bus 43' QGP 2011 Chevy Silverado 1500 SMI Air Force One toad brake Street Atlas USA Plus
Not really. Password headaches are not removed because you use a Chromebook versus a PC or laptop. Good password practices of using a different password per site and using strong, complex passwords have more to do with how easily they're breached on the server side, not the client.