Tested spyware free Publisher's description From
Symantec :
Download this file for the latest in virus detection and repair. This definitions update is a complete replacement for any previous virus definitions set and will work with the following Symantec products:
Norton AntiVirus 2008/2009 for Windows XP/Vista for 64-bit OS only Norton Internet Security 2008/2009 for Windows XP/Vista for 64-bit OS only Norton 360 v2.0/3.0 for Windows XP/Vista for 64-bit OS only Symantec Endpoint Protection 11.0 for 64-bit OS only
Watch your favorite videos on your favorite devices.
Update your PC's drivers for better performance and stability.
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See more CNET content tagged: 64-bit , Norton Co. , Symantec Corp. , Symantec Norton AntiVirus , operating system Previous Versions: Select a version Norton AntiVirus 2009 Definitions Update (Windows XP 64-bit/Vista 64-bit) 11/05/2008 Norton AntiVirus 2009 Definitions Update (Windows XP 64-bit/Vista 64-bit) 10/27/2008 Norton AntiVirus 2009 Definitions Update (Windows XP 64-bit/Vista 64-bit) 10/20/2008 Norton AntiVirus 2009 Definitions Update (Windows XP 64-bit/Vista 64-bit) 10/13/2008 Norton AntiVirus 2009 Definitions Update (Windows XP 64-bit/Vista 64-bit) 10/07/2008 Norton AntiVirus 2009 Definitions Update (Windows XP 64-bit/Vista 64-bit) 09/29/2008 Norton AntiVirus 2009 Definitions Update (Windows XP 64-bit/Vista 64-bit) 09/21/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 09/10/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 09/02/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 08/25/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 08/12/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 08/19/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 08/05/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 07/30/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 07/23/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 07/14/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 07/07/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 06/30/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 06/23/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 06/16/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 06/08/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 06/01/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 05/26/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 05/21/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 05/03/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 04/24/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 04/13/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 04/07/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 03/27/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 03/21/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 03/11/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 03/02/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 02/25/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 02/14/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 02/06/2008 Norton AntiVirus 2009 Definitions Update (Windows XP 64-bit/Vista 64-bit) 11/05/2008 Norton AntiVirus 2009 Definitions Update (Windows XP 64-bit/Vista 64-bit) 10/27/2008 Norton AntiVirus 2009 Definitions Update (Windows XP 64-bit/Vista 64-bit) 10/20/2008 Norton AntiVirus 2009 Definitions Update (Windows XP 64-bit/Vista 64-bit) 10/13/2008 Norton AntiVirus 2009 Definitions Update (Windows XP 64-bit/Vista 64-bit) 10/07/2008 Norton AntiVirus 2009 Definitions Update (Windows XP 64-bit/Vista 64-bit) 09/29/2008 Norton AntiVirus 2009 Definitions Update (Windows XP 64-bit/Vista 64-bit) 09/21/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 09/10/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 09/02/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 08/25/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 08/12/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 08/19/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 08/05/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 07/30/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 07/23/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 07/14/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 07/07/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 06/30/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 06/23/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 06/16/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 06/08/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 06/01/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 05/26/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 05/21/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 05/03/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 04/24/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 04/13/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 04/07/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 03/27/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 03/21/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 03/11/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 03/02/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 02/25/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 02/14/2008 Norton AntiVirus 2008 Definitions Update (Windows XP 64-bit/Vista 64-bit) 02/06/2008