My first thought, honestly, was Salk vaccine. Then I realized we were talking about two different kinds of virus.
This is what I use as well. Seems to work very well for me and my idiot kids who like to click anything. I don't do porn though, so not sure if it works with that.
thanks for the tips people! Microsoft seems to fit my hope of real time protection. so glad I spent $25 for the free version. Thanks Sly!!!