You appear to be using the old eol Windows 7. Firefox 115 ESR currently at 115.29.0esr is the most current Firefox you can run on Windows 7 (also 8, 8.1) as Firefox 116.0 and later including Fx 144.0.2 and Fx 140.4.0esr requires Windows 10, 11 to run. https://support.mozilla.org/en-US/kb/firefox-users-windows-7-8-and-81-moving-extended-support You may be able to trick the chase site into thinking you have a more later version of Firefox. # In a new tab, type or paste '''about:config''' (with a colon) in the location (address) bar and press Enter/Return. Click the button accepting the risk. # In the search box in the page, type or paste forceVersion and pause while the list is filtered # Double-click the ''network.http.useragent.forceVersion'' preference to display an editing field, and change the value to '''128''' or '''140''' then press Enter/Return or click the blue check mark button to save the change.