Offline Update Nod32 Antivirus

If you have a stand alone PC which doesn’t has an Internet connection and you have installed nod32 antivirus, nod32 antivirus will not be able to download update for the signature so you have to update the virus signature database manually. Otherwise, your PC may be at risk of virus attacks.On this example, I show how to update virus signature database of nod32 antivirus version 4 business edition. You also can apply these steps to nod32 antivirus version 2, 3 and home edition. But I have not include the update for version 2 so you have to find the update file somewhere else.

Step-by-step to offline update Nod32 Antivirus

  1. You see the virus signature database is failed to update on a stand alone PC.
    Nod32 Antivirus Virus Signature Database Update Failed
  2. Download virus signature database of nod32 anti-virus from Virus Signature Update for Nod32 v3 & v4
  3. Extract the downloaded file to a folder. On this example, I extract to c:\.
    Extract the downloaded file
  4. Open Eset Nod32 Antivirus, click on Setup -> Toggle Advanced Mode.
    Eset Nod32 Antivirus 4 Business Edition
  5. On Toggle Advanced Mode, click Yes.
    Toggle Advanced Mode
  6. Open Advanced Setup window. Click on Setup -> Advanced Setup.
    Open Advanced Setup
  7. Edit Update Server. On Setup, click on Update on the left menu -> Edit.
    Modify Update Server
  8. On Update Server list, copy the path from the extracted folder on step 2 to Update Servers box and click Add. On this example, I copy “C:\update nod32v3v4_4360” and paste to Update Servers box. Then, click OK.
    Add Update Path
  9. You notice that the value on Update Server box is changed. Click OK.
    Update Server is Changed
  10. Click Update -> Update virus signature database.
    Offline Update Nod32 Antivirus - Update virus signature database
  11. Now the virus signature database is updated.
    Successfully update virus signature database of Nod32 Antivirus


  1. lance September 16, 2009
  2. linglom September 17, 2009
  3. lance September 18, 2009
  4. prasad February 17, 2010
  5. linglom February 23, 2010
  6. asghar July 2, 2016

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