Avira offers a good program but it is really worth it to spend the money and get the subscription level service on any anti-virus software you choose. Just remember you get what you pay for, for me it is essential to protect my investment so I pay for anti-virus software.
if you will visit www.komando.com kim will provide a lot of free sites for free security programs. kim has a radio program that is live on saturdays. kim shoots straight from the hip if is junk she will say so or not recommend it kim is my digital goddess