Avoid pirated or cracked “update servers.” Malicious actors sometimes host fake update servers that deliver malware instead of signature databases. All servers listed below are either ESET-owned or widely recognized mirror repositories.
After configuring a server, confirm it’s actually delivering updates:
Have a working server that’s not on our list? Contact us, and we will test and add it to the master list.
To use a custom server, you need a working URL. Below are common types of update server formats used by networks globally: Standard HTTP Public Mirrors eset nod32 update server list free fixed
: Click OK to confirm. The new server will appear in your update server list. Make sure to select it as your active server.
Using unauthorized servers to bypass license validation explicitly violates ESET’s End User License Agreement (EULA). ESET actively monitors for unauthorized connections and continuously blocks IPs associated with pirate update mirrors. This can result in your software being flagged, deactivated, or permanently blacklisted. 4. Broken Software Functionality
ESET NOD32 relies on regular updates to detect the latest digital threats. By default, the software connects to secure, official ESET cloud infrastructure to download these signature databases. Avoid pirated or cracked “update servers
If you are in an offline environment or a business setting using a local mirror server, here is how you manually change the update source: Open Advanced Setup: within the ESET application window. Navigate to Update: Disable Auto-Selection: Toggle off the "Choose automatically" option. Enter Custom Server: Custom server field, enter the address (e.g.,
This is 100% legal, completely free, and always "fixed" because you control it.
Newer versions of NOD32 (such as Version 19.1 released in April 2026) are designed to communicate strictly with official endpoints to ensure the integrity of the signature database. ESET Knowledgebase Review: ESET NOD32 Antivirus (2026) Contact us, and we will test and add it to the master list
: Compromised update servers can distribute malicious "updates" or signed malware if signing keys are stolen.
The official ESET update servers require valid license credentials for authentication. Without an active license, these servers will reject update requests.
An antivirus application is only as good as the trust you place in its update source. Relying on "free fixed" ESET NOD32 update server lists exposes your personal data to high security risks, potentially transforming your security software into a gateway for malware. To ensure maximum defense against modern cyber threats, always use official update channels and valid licenses.