Well protect of your computer is need of every computer user, but some time their antivirus doesn't work or stopped working to protect your computer data or stop scanning before reaching to 100 percent scan. to get rid all kind of norton problem and user support there are facilities of norton customer service phone number 1-855-233-7309(Toll Free) if you have any queries related norton or need instant rectification and solution for norton antivirus just dial norton technical support assistance 24*7 and get instant support and remedy for all kind of norton issues. for more info visit http://www.mytechtoll.com/norton-antivirus-customer-service.php