Download the latest free virus definition files and update Norton antivirus
- Norton Virus Definitions 18th October 2018 (64-bit) Screenshot 1
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- Avira ProAvira Antivirus Pro 18.104.22.168
- Kaspersky FreeKaspersky Free 22.214.171.1245
- F-SecureF-Secure Antivirus 17.215
- NortonNorton Security 126.96.36.199
- Trend MicroTrend Micro Antivirus+ 12.0.1226...
- Sophos HomeSophos Home 1.2.11
- BullGuardBullGuard Antivirus 19.0.355.9
- KasperskyKaspersky Anti-Virus 2018 18.0.0....