Download Symantec Norton AntiVirus Definition Update January 7, 2023 Download

Norton AntiVirus protects your PC from detected viruses, spyware, bots, worms and more, while minimizing performance or getting in your way. The enhanced Norton Protection System features multi-layered protection technologies that work together to proactively block attacks and detect and remove threats before they can harm your PC.

Intrusion Protection protects your PC from online attacks, so you can surf with confidence. And new vulnerability protection blocks security holes in your PC’s operating system, applications, browsers and browser plug-ins to prevent hackers from exploiting them.

To download and install a Symantec Norton AntiVirus Definition update:

1. Check whether your version of Windows is 32-bit or 64-bit.
2. In the table on the left, click the link that will work for your version of Windows.
3. Save the file to your desktop.
4. Once the file has finished downloading, go to your desktop and double-click the file.
5. Follow the instructions to install the update.

Supports the following versions of Symantec antivirus software:

• Norton AntiVirus 2000 for Windows 9x/NT/2000
• Norton AntiVirus 2001 for Windows 95b/98/NT/2000/Me
• Norton AntiVirus 2002 Professional Edition
• Norton AntiVirus 2002 for Windows 98/Me/NT/2000/XP Home/XP Pro
• 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
• Norton AntiVirus 2005 for Windows 98/Me/2000/XP Home/XP Pro
• Norton AntiVirus 7.x Corporate Edition Client
• Norton AntiVirus for Microsoft Exchange (Intel)
• Norton SystemWorks (all versions)
• Norton UtiliEnter your state keys for Windows 95/98 (all versions)
• Symantec AntiVirus 3.0 for CacheFlow Security Gateway
• Symantec AntiVirus 3.0 for Inktomi Traffic Edge
• Symantec AntiVirus 3.0 for NetApp Files/NetCache
• Symantec AntiVirus 3.1 for SMTP Gateways for Windows
• Symantec AntiVirus 8.0 Corporate Edition Client
• Symantec AntiVirus 8.1 Corporate Edition Client
• Symantec AntiVirus 9.0 Corporate Edition Client
• Symantec AntiVirus/Filtering 3.02 for Microsoft Exchange 2000
• Symantec AntiVirus/Filtering 3.1 for Domino
• pcAnywhere32 7.5 and higher for Windows NT