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Troubleshooting for "Modules update failed" message


  • You receive the error message "error 0073"
  • You receive the error message "Modules update failed"


To view instructions for an operating system other than Windows, choose the appropriate operating system below:

Mac Users | Business Users | Android Users

Check to see if you can update after each step

Click Update Check for updates. If the update fails, proceed to the next step until you are able to update.
  1. Make sure you are using the latest version of your ESET product: Upgrade ESET Windows home products to the latest version

  2. Re-enter your ESET-issued Username, Password, or License Key: Activate my ESET Windows home product using a Username, Password, or License Key.

  3. Verify that your license has not expired.

  4. Clear the update cache.

  5. Remove any previously installed antivirus software: Uninstallers (removal tools) for common Windows antivirus software.
  6. Exclude ESET from detection on your third-party firewall (such as Norton Personal Firewall, ZoneAlarm, or others). If you are using the ESET firewall and have no other firewall software installed, disregard this step.
  7. Configure your update settings properly:
    1. Open the main program window and press F5 to access the Advanced setup window.

    2. Click Update, expand Profiles→Updates→Connection Options, select Do not use proxy server from the Proxy mode drop-down menu, and then click OK. (Version 8.x and earlier: expand Update and then click UpdateSetup, click the HTTP Proxy tab, make sure that Do not use proxy server is selected, and then click OK).

    3. If your settings in HTTP Proxy are locked (read only) then this proxy policy was forced by ERA Server. You can revoke this setting from the ERA Web Console. If there is no access to ERA Server (for example, ERA Server no longer exists) uninstall the ERA Agent and then Uninstall and reinstall your ESET product.
  1. Test communications with the ESET update server:
    1. Press the Windows key + R on your keyboard, type cmd into the text field and press ENTER.

      Windows 8 users: Press the Windows key + Q to open an app search and type cmd into the Search field.

    2. Type ping update.eset.com into the command prompt and press ENTER (see Figure 1-1).

    3. If you are able to connect to the update server, you will see a Reply from... message followed by the IP address of the server you are trying to reach.

      Figure 1-1

  1. Uninstall and reinstall your ESET product.
  2. Clean an infected computer:
    My computer has a viruswhat should I do? (Preliminary malware troubleshooting)

If you are still unable to resolve your issue, please email ESET Technical Support.

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