Clear the checkbox next to under the Update Server settings.
Direct your ESET Advanced Setup ( F5 ) to point to that extracted folder using the file:/// path prefix. Trigger the manual update. Security Best Practices for Offline Updates
ESET NOD32 Antivirus: New Offline Update Strategies for 2026 eset nod32 antivirus offline updates new
If you manage multiple machines on an isolated local area network (LAN), updating each device via a USB stick is highly inefficient. Instead, build a local update mirror.
Once the mirror folder is populated, you have two main methods to update the target machine: Clear the checkbox next to under the Update Server settings
Physically move those files (via USB or encrypted drive) to your offline network. Step 3: Configure the Offline Client Open your ESET product and press F5 for Advanced Setup . Navigate to Update → Profiles → Updates .
Copy the files generated in the mirror folder to a USB drive and transfer them to the offline machine. Security Best Practices for Offline Updates ESET NOD32
In the field, type the exact path to your USB drive folder (e.g., file:///E:/ESET_Updates or D:\ESET_Updates ). Click Add , then click OK to save the changes. Step 4: Execute the Offline Update
Infected machines isolated from the network to prevent malware from spreading. Prerequisites for Offline Updates
I can provide the precise terminal commands or menu paths for your setup. Share public link