Have you tried Firefox in Safe Mode? What security software are you running? Have you tried Windows in Safe Mode?

Some problems occur when your Internet security program was set to trust the previous version of Firefox, but no longer recognizes your updated version as trusted&#46; Now how to fix the problem: To allow Firefox to connect to the Internet again; * Make sure your Internet security software is up-to-date (i&#46;e&#46; you are running the latest version)&#46; * Remove Firefox from your program's list of trusted or recognized programs&#46; For detailed instructions, see '''[https://support&#46;mozilla&#46;org/en-US/kb/configure-firewalls-so-firefox-can-access-internet Configure firewalls so that Firefox can access the Internet&#46;]''' {web link} ----------- A big issue of late is; ''<p>jscher2000 [[#answer-1481976|said]]</p>'' <blockquote>Could this be relevant? A couple of other users identified Webroot (security software) as blocking 64-bit Firefox 97 -- released today -- from running properly: * https://support.mozilla.org/questions/1367248 * https://support.mozilla.org/questions/1367301 If you are still running an earlier release of Firefox, this would not be your issue. </blockquote> ''<p>bg07901 [[#answer-1482491|said]]</p>'' <blockquote>After consulting with WebRoot, they advised this was a known issue. The fix was to remove and reinstalled the WebRoot application. </blockquote>

https://www.mozilla.org/firefox/97.0.1/releasenotes/ Fixed Works around problems with WebRoot SecureAnywhere antivirus rendering Firefox unusable in some situations

UPDATE ON THIS DATE. PROVIDED A "FIX". FOR W10 (#97.0) NOT LOADING. THANKS!! GLENN