''philiphaywood [[#question-1246186|said]]'' <blockquote> Until today my I was able to use 48.0.2 for all bank operations. Now there are limitations. </blockquote> Please explain the problem in detail. What happens? What is the exact error messages? ----------------- [https://support.mozilla.org/en-US/kb/install-older-version-of-firefox?cache=no Install Older Version Of Firefox] {web link} Be sure to read everything here. If you still want to downgrade, look under; '''I still want to downgrade. ''' Click the '''Directory of other versions and languages''' link. Look for the directory of the version that you want. But, remember that '''old versions may have security issues. ''' You should also check out [https://www.mozilla.org/en-US/firefox/organizations/ Firefox; Extended Support Release] {web link} [https://www.mozilla.org/en-US/firefox/organizations/notes/ ESR Notes] [https://www.mozilla.org/en-US/firefox/organizations/system-requirements/ System Requirements]

Fred, the issue is the OP has Mac OSX 10.6.8 and the minimum required since Fx 49.0 has been OSX 10.9 Firefox support has ended for Mac OS X 10.6, 10.7 and 10.8 https://support.mozilla.org/en-US/kb/firefox-osx Duplicate of [/questions/1246185] thread.