Just to add to this, I went back and installed Chrome (this was a new computer where I experienced this again) - and Chrome works fine when I install the 1p extension - cmd-\ on the same login page as Vivalidi just fills in my details.
Just to add to this, I went back and installed Chrome (this was a new computer where I experienced this again) - and Chrome works fine when I install the 1p extension - cmd-\ on the same login page as Vivalidi just fills in my details.