new style looks lika a crap. how to roll it back? how to restore my old settings??

Please note, we are upgrading FVD Speed Dial extension to New Firefox Legacy, otherwise, it will be soon automatically disabled. Besides new good improvements, the New legacy has its own limitations but we hope Firefox team will improve them soon.

First, do this:
https://everhelper.me/fix-57.php

if it won't help, then

https://everhelper.me/help1.php  and  https://everhelper.me/help2.php