- Move that folder to the C:\. (You should have "c:\eset_upd")
- Open up the NOD32 Control Center by clicking on the system tray icon.
- Open the "Update" screen and click on "Setup"
- In the "Server" dropdown list, choose the last item which should point to C:\eset_upd.
- Click OK to close the update setup window.
- Back at the update screen, click "Update now"