Running Windows 7 Pro with Firefox 92.0(64-bit). Once 2 days ago and just within the last 30 minutes I opened Firefox. Instead of opening to my homepage, I got a new Firefox page (white background) asking me something which I really didn't care about. Instead of wasting my time I clicked the Home icon and went to my Homepage (Yahoo by the way). The first time it happened (2 days ago) it separated all of my favorites with one line in between each, turned everything in the favorites white (no color). A pain in the ass to work with, so I finally did a rollback of the OS to August 30th, and then everything was OK. The Firefox experience just repeated itself 30 minutes ago and boy am I pissed. The same thing happened to my Favorites sections. What is going on and how can I fix it without doing an OS rollback ?

                                                                                                       Thanks, Sam G