[KB2861] ESET installation ended prematurely notification (Windows)

Issue

  • ESET installation ended prematurely notification
  • Installation is not successful: "Rolling back action"

Details


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Additional error messages that may be connected to this solution include the following:

  • "ESET Personal firewall initialization failed"
  • "Services not started"
  • "Virus scanner initialization failed"

Solution

Data Execution Prevention (DEP)

If you are receiving an error immediately when attempting to run the ESET installer file from your Downloads folder, verify that Windows DEP is not blocking the installation

  1. Run the ESET uninstaller utility to remove partial installations
  2. Remove any existing antivirus solutions

I. Run the ESET uninstaller utility to remove partial installations

  1. Run the ESET uninstaller utility in Safe Mode with Networking to remove any remnants of previously installed ESET programs or partial installations that might have failed before attempting to install your new ESET product.

  2. After removing any previous installations, install your new ESET product for Windows again.


II. Remove any existing antivirus solutions

For the successful installation of ESET products, it is important that no other antivirus products are installed on your computer. To remove any other antivirus products, follow the steps below:

  1. Uninstall any antivirus software currently on your system. If you do not know if there is an antivirus product installed on your system, use the ESET AV Removal tool to scan your system.

  2. After removing any existing antivirus solutions, install your new ESET product for Windows again.