Firefox finally addressed issues with antivirus apps crashing HTTPS websites starting with the release of Firefox 68. Security apps often inspect the content of HTTPS connections in order to detect malicious activities. This is possible by installing root certificates on the device. Mozilla urges antivirus companies to enable this preference instead of adding their root CA to the browsers root store. The enterprise roots preference, when enabled, causes Firefox to import any root CAs that have been added to the OS by the user or an administrator.”]
Source: https://securityaffairs.co/wordpress/87864/security/firefox-fixed-antivirus-tls-errors.html