Eset Nod32 Antivirus And Smart Security 803191 -
If you are running ESET NOD32 Antivirus or ESET Smart Security Premium, you have likely noticed a recent update prompting a reboot. You might have spotted the version build 803191 in your "About" section.
While 803191 looks like just another number in the changelog, this specific build represents a quiet but significant shift in how ESET handles performance, phishing detection, and kernel-level exploits.
Here is everything you need to know about build 803191 for both the standalone antivirus (NOD32) and the full security suite (Smart Security).
The number 803191 most likely refers to:
Important note: ESET Smart Security (the all-in-one suite) has since been replaced by ESET Internet Security and ESET Smart Security Premium. NOD32 Antivirus remains as the standalone antivirus product.
Regardless of whether you use NOD32 or Smart Security, this update patches the same underlying engine. Here is what actually changed: