New hp with Vista[ proberly basic] already on it. Using yahoo sbc mail swrvice, dsl. After 60 days Norton runs out. With Vista's built in securty, and sbc's built in securty, why do I need additional aniviris protiction.? Google search indicates norton,mcafee, & others causing much trouble with Vista. It would seem that i already have enought protection with out norton or others !? Your opion would be appreciated.