ESET Knowledgebase

Due to newer program releases or corrupted installations, reinstalling your ESET security product is sometimes necessary. Follow the steps below to download, uninstall and reinstall your ESET security product.

Download

1. Download your ESET security product using one of the links below for Windows NT/2000/XP/2003/Vista.
   
   You will need your unique username and password to download your ESET security product. Please reference your confirmation email for this information or click here to retrieve your username and password.
   

   Important!

   Please check your operating system version before downloading.

   32-bit:
   
   

   ESET Smart Security 3.0     ESET NOD32 Antivirus 3.0

   64-bit:
   
   

   ESET Smart Security 3.0    ESET NOD32 Antivirus 3.0

2. When prompted, select Save and save the file to your Desktop.

Uninstall

1. Click Start Programs ESET Uninstall. After you uninstall, you will need to restart your computer.

2. 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.

3. Click Start My Computer and then navigate to and delete the following folders:

   C:\Program Files\ESET
   C:\Documents and Settings\All Users\Application Data\ESET
C:\Documents and Settings\%USER%\Application Data\ESET

   Windows Vista/7 Users must delete the following folders:

   C:\Program Files\ESET
C:\ProgramData\ESET 

Reinstall

1. Navigate to your Desktop where you saved the ESET installation package and double-click it to open.
    
2. Follow the instructions in the ESET Installation Wizard to install your ESET security product. 

   NOTE:

   For more detailed installation instructions, please click here for ESET Smart Security 3.0 or click here ESET NOD32 Antivirus 3.0.