macOS users version 10.13 (High Sierra)
- Upgrade to macOS version 10.13.3 or later as soon as possible.
- (optional) Following the upgrade, you can uninstall and install the most recent version of your ESET product for macOS to ensure that you do not experience errors. If you are unable to uninstall, you may need to start macOS in Safe Boot Mode.
https://support.eset.com/alert6654/