Depending on your ESET product, delete one of the following files: /Applications/ESET Cyber Security/Contents/Helpers/Uninstaller.app or /Applications/ESET Cyber Security Pro/Contents/Helpers/Uninstaller.app
Open the 6.5 installation file (either from a previously downloaded DMG file or from an installation CD/DVD).
Double-click Uninstall.
Restart your computer.
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
Download ESET Cyber Security or ESET Cyber Security Pro
By downloading an older version of this product you explicitly agree to the term and conditions of the new End-user license agreement: