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Symantec.com > Business > Security Response > Download Virus Definitions> Norton AntiVirus for Windows 2000/XP/Vista/7

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Norton AntiVirus for Windows 2000/XP/Vista/7
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 MBfloppy 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.

Symantec Security Response Survey: Tell us what you think and you could win $50 from Amazon.com.

Note: The i32 IntelligentUpdater 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 |

20100921-003-v5i32.exe | FTP | 09/21/2010 | 09/21/2010 | 75.89 MB | D0C1D1317FCA2338B587E7ACFD3C6C0A |
Supports the following versions of Symantec antivirus software: * NortonAntiVirus 2011 for Windows XP/Vista/7 * Norton Internet Security 2011 for Windows XP/Vista/7 * Norton AntiVirus 2010 for Windows XP/Vista/7 * Norton Internet Security 2010 for Windows XP/Vista/7 * 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...