Get the latest updates for your Norton AntiVirus software with Norton AntiVirus Virus Definitions. Developed by Symantec, this software is designed to keep your antivirus protection up-to-date with the latest virus definitions. You can easily download the software from our website and ensure that your computer is protected against the latest threats. With Norton AntiVirus Virus Definitions, you can rest assured that your online activities are secure and your personal information is safe. Don't compromise on your security - download Norton AntiVirus Virus Definitions today.

Signature file updates ensure that your PC is protected from the latest viruses. It is very important to make sure that you have the latest signature on your PC.


External Mirror 1 & External Mirror 2 - 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
....

External Mirror 3 & External Mirror 4 - Supports the following versions of Symantec antivirus software:
· Norton AntiVirus 2008 for Windows XP Home/XP Pro/Vista
· Norton Internet Security 2008 for Windows XP Home/XP Pro/Vista
...

External Mirror 5 & External Mirror 6 - 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
...
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.


External Mirror 7 & External Mirror 8 - Supports the following versions of Symantec antivirus software for 64-bit platforms:
· 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
....

External Mirror 9 & External Mirror 10 - Supports the following versions of Symantec antivirus software for 64-bit platforms:
· Symantec AntiVirus 8.1 Corporate Edition Client for 64-bit OS only
· 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
....

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