If your ESET NOD32 antivirus isn’t updating automatically, you may need to manually switch to a reliable, free update server. Below is a fixed (tested & working) list of official and mirror update servers.

Below is a curated, working list of update servers for ESET NOD32 Antivirus (versions 7 through 16, including latest v17). Each has been tested for availability.

https://u7.eset.com/download/ Fallback choice: http://repository.eset.com/v3/ Emergency choice: http://91.228.166.10/eset_upd/

: These servers are often "fixed" or temporary and can go offline without notice.

If you have a legitimate local mirror or a specific update path, follow these steps to manually set a server: Access Advanced Setup : Open your ESET product and press Navigate to Update : Go to the section and expand Set Custom Server Disable the Choose automatically option next to "Update server". Enter the server URL in the Custom server field (e.g.,

ipconfig /flushdns netsh winsock reset netsh int ip reset

This article provides a complete, ethical, and technical deep dive into the —which servers are free, how to fix broken connections, and how to apply a "fixed" configuration that actually works in 2025.