Download Norton AntiVirus Virus Definitions

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This is a freeware version of Norton AntiVirus Virus Definitions. This download is provided to you free of charge.

  -  External Mirror 1 [Norton 2010, 2011, 2012 for Win XP/Vista/7]

  -  External Mirror 2 [Norton 2010, 2011, 2012 for Win XP/Vista/7]

  -  External Mirror 3 [Norton 2003/2004, Win 2000/XP]

  -  External Mirror 4 [Norton 2010, 2011, 2012 Win XP/Vista/7-64-bit]

One of the most trusted antivirus solution with new protection updates.

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
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