Download the latest Certified Virus Definition for Norton AntiVirus. Ensure your Norton AntiVirus product contains the most up-to-date detection and prevention. Supports the following versions of Symantec antivirus software: Norton AntiVirus 2003 Professional Edition Norton AntiVirus 2003 for Windows 98/Me/2000/XP Home/XP Pro Norton AntiVirus 2004 Professional Edition Norton AntiVirus 2004 for Windows 98/Me/2000/XP Home/XP Pro Norton AntiVirus 2005 for Windows 98/Me/2000/XP Home/XP Pro Norton AntiVirus 2006 for Windows 2000/XP Home/XP Pro Norton AntiVirus 2007 for Windows XP Home/XP Pro/Vista Norton AntiVirus for Microsoft Exchange (Intel) Norton SystemWorks (all versions) Norton Utilities for Windows 95/98 (all versions) Symantec AntiVirus 3.0 for CacheFlow Security Gateway Symantec AntiVirus 3.0 for Inktomi Traffic Edge Symantec AntiVirus 3.0 for NetApp Filer/NetCache Symantec AntiVirus 8.0 Corporate Edition Client Symantec AntiVirus 8.1 Corporate Edition Client Symantec AntiVirus 9.0 Corporate Edition Client Symantec AntiVirus 10.0 Corporate Edition Client Symantec AntiVirus 10.1 Corporate Edition Client Symantec AntiVirus 10.2 Corporate Edition Client Symantec Mail Security for Domino v 4.0 Symantec Mail Security for Domino v 5.0