How To Fix Eset Error Code Ecp 3?

Eset Error Code Ecp 3

The ESET error ECP 3 problem occurs due to activation failure.

If you want to resolve the ESET error code ECP 3 problem, proceed with the troubleshooting instructions given on our web page.

  • Check if you have any third-party antivirus software on your computer. This might interfere with the activation process of the ESET product.
  • So, try to disable the other third-party antivirus software. It is better to uninstall the other third-party software before installing and activating the ESET product.
  • Also, check if your computer has an active internet connection at the time of activating the ESET product.
  • Go to the Command Prompt window, type the ‘netsh winsock reset’ command without the single quotes, and press the Enter key on the keyboard.
  • After restarting the computer, try to activate the ESET product.
  • The latest version of the ESET product must be installed on the computer.
  • Installing an older version might cause the error.
  • Use the license key to activate the ESET product as per the instructions given here.
  • Open the main window of the ESET product on the computer.
  • Select the Help and Support option on the left panel, go to the Product and License Information section, and click the Change License option.
  • When the Choose an activation option window opens, click the ‘Use a purchased License key’ link.
  • Enter or copy-paste the license key of the ESET product in the ‘Use a purchased License Key field.
  • Click the Continue option followed by the Activate option.
  • Once done with activating the ESET product, click the Done option at the bottom-left corner of the screen.
  • Make sure to update the Operating System of the computer to the most recent version.
  • If you are not able to resolve the ESET error code ECP 3 problem, contact our technical experts by clicking the Call button given here.


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