''<p>alanmwasser [[#question-1474974|said]]</p>'' <blockquote>I'm very much computer-ignorant. </blockquote> Interesting that you're running Linux. ;-)) Good choice. Run this cmd from cmd line. '''firefox --version''' '''apt install firefox''' or Download for mint. https://community.linuxmint.com/software/view/firefox Also download Firefox from Mozilla. Download, unzip, and run(double click on) '''firefox-bin''' from the folder and see if you have the same issue. https://www.mozilla.org/en-US/firefox/all/#product-desktop-release This way you'll have a 2nd browser in case one goes boom.