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How to fix Eset Error Code Ecp 20003?

The error code ECP 20003 occurs when you are not able to update or reinstall the ESET product on your computer. The reasons for this problem could be another third-party antivirus software on your computer or partial uninstallation of a previous version of ESET. The instructions to resolve the Eset Error Code Ecp 20003 are given here.

Eset Error Code Ecp 20003

Solution 1 - Uninstall the third-party antivirus software

  • Search for the other third-party antivirus software from Apps/Programs.
  • Select it from the Apps list and click Uninstall to remove the antivirus software from your computer.
  • You can even use the uninstaller tool if it is available for your antivirus software.

Solution 2 - Uninstall and reinstall the ESET product

Step 1 -Uninstall using the ESET uninstaller from Windows 10

  • Download the ESET uninstaller from the manufacturer website.
  • On your Windows 10 computer, hold the Win and R keys simultaneously.
  • Enter ‘ncpa.cpl’ in the Open field.
  • Find your network adapter, right-click it, and select Properties.
  • Select the ‘Epfw NDIS LightWeight Filter’ option and click the Uninstall button.
  • Once done, restart the computer in Safe Mode.
  • Navigate to the Start icon and right-click it.
  • Choose the Command Prompt (Admin) option.
  • Type ‘cd /Users/M/Desktop’ and press Enter.
  • Note: Replace the letter M with the user name of your computer.
  • Once you see a warning message in the Administrator Command Prompt window, enter y for confirmation.
  • Type the number next to your ESET product and press the Enter key.
  • After uninstalling the ESET product, press any key on the keyboard to exit.
  • Restart Windows 10 in normal mode.

Step 2 - Reinstall the ESET product

  • Locate the ESET installation file and double-click it.
  • Proceed with the steps displayed on the screen to finish the ESET installation.
  • If the Eset Error Code Ecp 20003 persists, get help from our technical experts by clicking the Call button.