Protect yourself against viruses and spyware without signature scanners

Principal AntiVirus is powerful antivirus software which protects your Windows computer against a large range of threats including viruses, spyware, worms, trojans, backdoors, adware and other malware. It is designed to offer you principal protection against currently known as well as future viruses and malware without the need for regular updates or signature scanners. It intercepts threats before they become active without constantly having to check all incoming and outgoing data against known virus footprints.