VIRUS / MALWARE protection While Random Browsing of MATURE EXPLICIT Sites --- DISABLE SAFE SEARCH (OFF) MODE WHEN MICROSOFT REAL TIME VIRUS PROTECTION AND WINDOWS DEFFENDER FIREWALL IS ALSO REMAINED OFF

Do you mean Firefox's built-in anti-phishing/anti-malware feature? Please see the following article for more information on this feature and how to manage it: [[How does built-in Phishing and Malware Protection work?]]