Norton antivirus is the best antivirus available at this time. Now a days as more and more viruses are created and spread over the Internet NORTON ANTIVIRUS is the best shield against them. I tried the Norton antivirus with so many other antiviruses but NORTON ANTIVIRUS was the best in them. The variety of features in it wonderful. Plus if you update the virus definitions then I m sure you r not going to let the viruses play with your system just suggest u to go for NORTON ANTIVIRUS and nothing else. So the next time you go for an antivirus just go for NORTON ANTIVIRUS