I have a Mac that was running Sequoia 10.14.7 I think. Firefox hasn't been giving search results since yesterday so I updated Firefox and restarted it. Still got blank pages after updating. Firefox suggested re-installing so I did. I got no warning DURING installation that the newest version would not work with Sequoia. There was a light gray circle slash through the icon when I installed it, but have never see that when installing apps before. I was given an option to replace the original Firefox or install a second version, so I chose "replace," thinking I was keeping it simple. I updated Mac OS to Catalina 10.15.7--an action I've been avoiding due to all of my most important documents being on an older version of Word for Mac 2011, and TBH I resent having to pay for a subscription to access my Word & Excel documents for revision or printing, and don't like keeping my documents on the cloud...as required by newer versions of MS Office. Now I have Catalina & the newest version of Firefox and can't do the two most important things I need to do on my computer: Work with my Word docs and Firefox STILL PRODUCES BLANK SEARCH RESULTS PAGES. I've now essentially lost access to all my Office docs due to chain reaction fuster cluck resulting from a blank Firefox search page 2 hours ago. PLEASE ADVISE.