• Installation fails when upgrading ESET Cyber Security or ESET Cyber Security Pro version 6.5 to version 6.6
  • Version 6.6 is no longer supported on macOS 10.6 (Snow Leopard), 10.7 (Lion) and 10.8 (Mountain Lion)


 Windows users

To resolve the issue, follow the steps below:

  1. Depending on your ESET product, delete one of the following files:
    /Applications/ESET Cyber Security/Contents/Helpers/Uninstaller.app
    /Applications/ESET Cyber Security Pro/Contents/Helpers/Uninstaller.app
  2. Open the 6.5 installation file (either from a previously downloaded DMG file or from an installation CD/DVD).
  3. Double-click Uninstall.
  4. Restart your computer.
  5. Download (or use an installation CD/DVD) and install ESET Cyber Security or ESET Cyber Security Pro version 6.5. During the installation in the Version Check step deselect the Download and install new version option.

Figure 1-1

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