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Norton AntiVirus for Windows 2000/XP/Vista

As new threats emerge, Symantec immediately builds new protection updates and makes them available for download on a subscription basis. If your subscription has expired, click here.

The Norton AntiVirus engine is common to the Norton AntiVirus, Norton Internet Security, and Norton 360 products. You can update these products using definitions shown below as supporting Norton AntiVirus.

End of Life for Floppy Disk Definition Sets

Beginning Thursday, August 18th, 2005, US Pacific Time, Symantec will no longer be releasing definitions sized to fit a set of standard 1.44 MB floppy disks. Due to the increasing size of virus definitions files and the supplanting of floppy disks with other technologies, we will no longer be releasing definitions in this format. Definitions will continue to be made available through all other current methods.


Note: The i32 Intelligent Updater package cannot be used to update Symantec AntiVirus Corporate Edition servers, but can be used to update Corporate Edition clients.
File Name Creation Date Release Date File Size MD5 | all
20081005-019-v5i32.exe | FTP 10/5/08 10/5/08 28.19 MB B8EBF532D5CC1ACDACD3FE11BB81BC16

Supports the following versions of Symantec antivirus software:

  • Norton Antivirus 2009 for Windows XP Home/XP Pro/Vista
  • Norton Internet Security 2009 for Windows XP/Home/XP Pro/Vista
  • Norton Antivirus 2008 for Windows XP Home/XP Pro/Vista
  • Norton Internet Security 2008 for Windows XP/Home/XP Pro/Vista
  • Norton 360 version 2.0 for Windows XP/Vista
  • Symantec Endpoint Protection 11.0
File Name Creation Date Release Date File Size MD5 | all
20081005-005-i32.exe | FTP 10/5/08 10/5/08 31.58 MB 926F4044FECD2D77E8DAC8E6B711E440

Supports the following versions of Symantec antivirus software:

  • Norton AntiVirus 2003 Professional Edition
  • Norton AntiVirus 2003 for Windows 2000/XP Home/XP Pro
  • Norton AntiVirus 2004 Professional Edition
  • Norton AntiVirus 2004 for Windows 2000/XP Home/XP Pro
  • Norton AntiVirus 2005 for Windows 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 360 version 1.0 for Windows XP/Vista
  • Norton AntiVirus for Microsoft Exchange (Intel)
  • Norton SystemWorks (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 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 5.x
  • Symantec Mail Security for Microsoft Exchange v 5.x
File Name Creation Date Release Date File Size MD5 | all
20081005-005-x86.exe | FTP 10/5/08 10/5/08 34.24 MB 04F0BC033C53B1BB68C81497480109F7

Supports the following versions of Symantec antivirus software:

  • Norton AntiVirus 2003 Professional Edition
  • Norton AntiVirus 2003 for Windows 2000/XP Home/XP Pro
  • Norton AntiVirus 2004 Professional Edition
  • Norton AntiVirus 2004 for Windows 2000/XP Home/XP Pro
  • Norton AntiVirus 2005 for Windows 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 360 version 1.0 for Windows XP/Vista
  • Norton AntiVirus for Microsoft Exchange (Intel)
  • Symantec AntiVirus 3.0 CacheFlow Security Gateway
  • Symantec AntiVirus 3.0 for Inktomi Traffic Edge
  • Symantec AntiVirus 3.0 for NetApp Filer/NetCache
  • 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 AntiVirus for Bluecoat Security Gateway for Windows 2000 Server/2003 Server
  • Symantec AntiVirus for Clearswift MIMESweeper for Windows 2000 Server/2003 Server
  • Symantec AntiVirus for Microsoft ISA Server for Windows 2000 Server/2003 Server
  • Symantec Mail Security for Domino v 5.x
  • Symantec Mail Security for Microsoft Exchange v 5.x
  • Symantec Mail Security for SMTP v 5.x
  • Symantec Web Security 3.0 for Windows
  • Symantec AntiVirus Scan Engine for Windows

This all inclusive updater will update all of the products listed above. This is useful for updating multiple machines and products with one single package.


64-bit Platforms

File Name Creation Date Release Date File Size MD5 | all
20081005-019-v5i64.exe | FTP 10/5/08 10/5/08 29.5 MB BEF6ECFC1E7B002748A4E0B1FF771C5F

Supports the following versions of Symantec antivirus software:

  • Norton AntiVirus 2009 for Windows XP/Vista for 64-bit OS only
  • Norton Internet Security 2009 for Windows XP/Vista for 64-bit OS only
  • Norton AntiVirus 2008 for Windows XP/Vista for 64-bit OS only
  • Norton Internet Security 2008 for Windows XP/Vista for 64-bit OS only
  • Norton 360 version 2.0 for Windows XP/Vista for 64-bit OS only
  • Symantec Endpoint Protection 11.0 for 64-bit OS only
File Name Creation Date Release Date File Size MD5 | all
20081005-005-i64.exe | FTP 10/5/08 10/5/08 32.65 MB 067D3416386A9B0329AA5663F1547C20

Supports the following versions of Symantec antivirus software:

  • Symantec AntiVirus 9.0 Corporate Edition Client for 64-bit OS only
  • Symantec AntiVirus 10.0 Corporate Edition Client for 64-bit OS only
  • Symantec AntiVirus 10.1 Corporate Edition Client for 64-bit OS only
  • Symantec AntiVirus 10.2 Corporate Edition Client for 64-bit OS only
  • Norton AntiVirus 2007 for Windows Vista 64-bit OS only
  • Norton Internet Security 2007 for Windows Vista 64-bit OS only
  • Norton 360 version 1.0 for Windows XP/Vista 64-bit OS only