I have been using several different antivirus programs such as AVG and Avast. None seem to have been able to remove problems like the free version of your software that I tried. It worked beautifully. My question is which of your products should I purchase for complete protection? Shoulds I use your prtoducts in conjuction with any others? Please advise as I'm certain others are probably interested in the same information. I plan to purchase based upon your response. Also, are there anual fees associated with purchased products? Can a purchase product be used on your laptop and desktop or are seperate versions required to be purchased?