Important Note: ESET officially discontinued support for older versions of their software (versions 9 and below) in late 2024. If you are using an unsupported version, the servers for those specific versions may no longer be active, regardless of the server address you use. For security and functionality, it is highly recommended to upgrade to the latest version.
Here is the information regarding the update server list and how to fix update errors.
Even with a perfect server list, you may encounter errors. Here is what they mean and the fix. eset nod32 update server list free fixed
| Error Code | Message | Solution |
| :--- | :--- | :--- |
| HTTP 401 | Unauthorized | The server requires a license. Switch to another "free" server. |
| HTTP 404 | Not Found | The mirror is broken or missing the update.ver file. Try a different one. |
| ERR_CONNECTION_REFUSED | Server offline | The IP or port (2221) is blocked by your firewall. Add an exception. |
| Modules not updated | Version mismatch | Your ESET is too new for the mirror. Download a legacy version (v9 or v10). |
| Bad server number | DNS failure | Flush DNS (ipconfig /flushdns) and re-enter the IP-based server (not domain name). |
Public ESET mirrors are ephemeral. They stop working for three reasons: Bandwidth Exhaustion: A free mirror gets hammered by
No. The servers will verify your license. If your license is expired, updates will fail with "License expired" – not a server issue.
If you are an ESET NOD32 Antivirus user, you have likely encountered the dreaded red icon, the popping notification: "Update failed," or "Module update has not been completed." Few things are more frustrating than a security suite that cannot download the latest virus signature database. The culprit is often a default update server that is slow, geographically distant, or temporarily blacklisted. Can I use these servers without a license
This is where the "ESET NOD32 update server list free fixed" becomes your most powerful tool. In this guide, we will provide you with a complete, verified list of free update servers, explain how to manually configure them, and offer permanent fixes for common update errors.
If you are tired of hunting for "free fixed" servers, ESET provides a legal, free tool: the ESET Offline Update Generator.
If you are running an unlicensed or trial version of ESET NOD32, follow these exact steps to apply the free fixed server list.
Use free fixed servers only for academic or testing purposes on an isolated VM. For daily use on your main machine, either buy a license or use Microsoft Defender (which is free and excellent in Windows 10/11).