1. Download nodupdate.zip from
http://www.nod32.jp/irda/
2. Extract the contents to any folder on your computer.
3. Open up the NOD32 Control Center by clicking on the system tray icon.
4. Open the "Update" screen and click on "Setup".
5. Click on "Servers" and click "Add".
6. Type the path of the folder with update files. Click OK. A new server is added to the dropdown list.
7. Select the new server (folder path) as the update server.
8. Back at the update screen, click "Update now".
9. After a brief pause, your NOD32 should be updated.
Hope it helps !!