How to Fix ‘ESET Installation Ended Prematurely’ Issue?

Have you received the notification "installation ended prematurely" while upgrading to ESET NOD32 Antivirus or ESET Smart Security? Don’t worry and go through the Knowledgebase article provided by our ESET Antivirus Support professionals in order to help the users in getting rid of the issue.

Go through the blog and carefully follow the instructions:

First of all, you should verify that the Windows Data Execution Prevention (DEP) is not blocking your ESET NOD32 Antivirus installation.

Steps to Fix ‘ESET Installation Ended Prematurely’ Issue

Step 1: Run the ESET Uninstaller Tool to Remove Partial Installations

Users are advised to run the ESET Uninstaller Tool in Safe Mode with Networking to eliminate any remnants of previously installed ESET security programs or partial installations that may have failed before trying to install your new ESET Antivirus. After removing the previous installations if any, attempt to install your new ESET security product again.

Step 2: Remove Any Existing Antivirus Software

For the successful installation of your new ESET product, it is vital that no other antivirus program is installed on your system. Normal uninstallation using the Windows Removal Tool (Add/Remove Programs) is not sufficient. Check out the list of Uninstallers for common Windows Antivirus Software for help in removing previously installed software. In case you do not know if there is an antivirus product installed on your system, then we recommend you to contact the experts on our ESET Antivirus Support Phone Number – 1800-012-720. The highly-qualified ESET Support professionals over this number will scan your computer and let you know whether there is an installed on your computer.

Step 3: Run ESET SirefefCleaner Tool to Restore the Base Filtering Engine

If run using the /r switch, the ESET SirefefCleaner Tool can restore the Base Filtering Engine. Follow the steps given below if you do not suspect that your computer is infected:

  • Download the ESET Sirefefcleaner Tool from the official website

Choose the destination folder where you want the tool to be downloaded and click on ‘Save’ at the prompt. The tool may also automatically get saved to your Downloads folder.

  • Press the Windows + R Keys together to open a Run dialog box.

Type C:\Users\%username%\Downloads\ESETSirefefCleaner.exe /r (here C is your primary directory & %username% is your Windows username) then click OK.

  • Click ‘Yes’ present at the User Account Control prompt.
  • Carefully read the SirefefCleaner License Agreement and then click on ‘Agree’ button.
  • Now, the tool will scan your computer and get closed automatically if no threats are present. In case a threat is found, follow the on-screen instructions to clean your system.
  • After that restart your computer if prompted to do so manually when the tool finishes running.
  • After restarting your system, install your ESET product using the instructions provided below:
  • Firstly uninstall any previously installed antivirus software on your computer.
  • If you are having a CD, then insert it into your computer. If the installation process does not start automatically, then click on ‘Start’ menu and then Computer & double click the ESET disc icon.

Note: To install without a CD, Download the installer file ‘DOWNLOAD ESET NOD32 ANTIVIRUS’ from the official website and then double-click the installer file to begin installation.

 In the Install ESET NOD32 Antivirus screen, choose the language you want to install and then click Continue.

  • Click on ‘I Accept’.
  • Click ‘Enter a License Key’ option and then type or copy/paste the License Key emailed to you from noreply@orders.ESET.com following your purchase into the blank field and click Continue.
  • Click Continue.
  • Select your preference for ESET Live Grid & Detection of Potentially Unwanted Applications followed by clicking on Install.
  • Click ‘Done’ to exit the Installation Wizard.

 The aforementioned instructions will surely help you to fix the ‘ESET Installation Ended Prematurely’ issue but if not, then directly call on toll-free ESET Antivirus Support Phone Number – 1800 83 24 24. The expert technicians here have complete knowledge about ESET products and also have years of experience in resolving such kinds of issues. Hence, just a single call can troubleshoot all of your issues with your ESET NOD32 Antivirus or ESET Smart Security or any other instantly and even at least possible service charges.