1. Enable TLS The site requires TLS 1.2 to be enabled on the browser. General instructions for enabling TLS is as follows:
Open Mozilla Firefox browser
Type “about:config” in the url as shown in the figure below
Firefox browser would warn with a message as shown here
Click on “I accept the risk”
Configuration screen will appear on the browser. Search TLS by typing keyword TLS in the search bar as shown here
Check whether parameter value for security.tls.version.max is greater than 2, as shown in the figure above
2. Enable Java Script
In the address bar, type about:config and press Enter.
Click "I'll be careful, I promise" if a warning message appears.
In the search box, search for javascript.enabled
Toggle the "javascript.enabled" preference (right-click and select "Toggle" or double-click the preference) to change the value from "false" to "true".
Click on the "Reload current page" button of the web browser to refresh the page.
3. Enable Java in browser Refer below mentioned link for enabling java in Mozilla Firefox browser