How do I uninstall or reinstall ESET Smart Security/ESET NOD32 Antivirus? (4.x)
Download your ESET product using one of the links below. You will need your unique username and password to download your ESET product. Be sure to check your operating system version before downloading.
- When prompted, click Save and save the file to your Desktop.
Click Start → All Programs → ESET → Uninstall. After you uninstall, you will need to restart your computer.
After restarting, confirm that you can see hidden files and folders by clicking Start → Control Panel → Folder Options → View and select the Show hidden files and folders option.
Click Start → My Computer and then navigate to and delete the following folders:
C:\Documents and Settings\All Users\Application Data\ESET
C:\Documents and Settings\%USER%\Application Data\ESET
Windows Vista and Windows 7 Users must delete the following folders:
C:\Program Files\ESET C:\ProgramData\ESET
- Navigate to your Desktop or wherever you saved the installation package file and double-click it to open.
Follow the instructions in the ESET Installation Wizard to install your ESET product. For more detailed installation instructions, please click here for ESET Smart Security 4.x or click here for ESET NOD32 Antivirus 4.x.
- I can't uninstall or reinstall my product → Complete a manual uninstallation
I lost my username and/or password → Visit the Lost License page
My username or password is not working → Troubleshoot username and password issues
- I can't download my ESET product → Complete the solution checklist