Download the latest free virus definition files and update Norton antivirus

Norton Virus Definitions (64-bit)
Thank you for downloading Norton Virus Definitions 18th April 2018 (64-bit) Your download will begin in 5 seconds. If it doesn't click here to start it.

About Norton Virus Definitions (64-bit)

The Norton Virus Definitions 64-bit allows manual update of your Norton AntVirus and Norton Security in case that you do not have internet connection or in case auto update fails.To manually update virus definitions download and run the apropriate file (32-bit or 64-bit) and follow the instructions.Also Available: Download Norton Security Read More »

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