This is a free virus scanner, comes highly recommended by the staff at Tech-TV; http://www.grisoft.com/html/us_index.htm? session=e8e6087a9476b943be27fb252c34781c (I know, superlong url) Good luck, BB-NYC Member # 4105 ('89, black, 66,000 mi. K&N drop-in, ShoShop billet flywheel, alum SFB's Josh T Ceramic TOB and reinforced mounts)