How to uninstall and reinstall ESET Version 9

Description: This article will show how to uninstall and then reinstall ESET Version 9 which may help correct installation and program errors.

  1. Open Programs and Features.
    • If you have Windows 7: Click on the Start button, select Control Panel, and then under Programs click on Uninstall a program.
      Programs, Uninstall a Program
    • If you have Windows 8 or later: Right click on the Start button to open a quick access menu, then click Programs and Features.
      Start, Programs and Features
  2. Double click ESET NOD32 Antivirus or ESET Smart Security from the alphabetical list.
    List of Programs, ESET
  3. Click Remove.
    Modify, Repair or Remove installation
  4. Select a reason on the next page and then click Next.
    List of Reasons for Uninstallation
  5. Click Remove on the next screen to begin uninstalling.
    Remove ESET Smart Security
  6. Click Finish and then click Yes on the popup to restart the computer.
    Completed Uninstall
    Restart Now
  7. Once restarted, navigate to to download the software. Under Home, select Expand by Windows, then select the specific version of ESET that your license is for and click Download.
    Home, Expand
    ESET NOD32, ESET Smart Security
  8. Under Ready to download?, select I already purchased.
    I already purchased
  9. The download will automatically begin, click Run or Open to open the setup program once downloaded.
    Run, Save
  10. Click Continue on the installation window. ESET will download the remaining installation files to continue.
    Install ESET Smart Security, Continue
  11. Follow the prompts to complete installation. Once finished, click Done.
    Installation successful, Done
  12. A new window will open for product activation. Enter in the license key (typically beginning with USA) then click Activate.
    Product activation, enter license key
  13. A confirmation screen will appear indicating activation was successful. Click Done to close this window.
    Activation finished, Done