[KB7698] Web and Email Protection did not start in ESET products for Mac on macOS Big Sur

Issue

  • After upgrading your computer to macOS Big Sur (11), your ESET product displays the following error message: "Your computer is not protected: System extension required for Web and Email Protection was not started because of error. Try to restart macOS or reinstall the product."
  • Affected versions:
    • ESET Endpoint Security for Mac version 6.10.456
    • ESET Endpoint antivirus for Mac version 6.10.456
    • ESET Cyber Security version 6.10.400
    • ESET Cyber Security Pro version 6.10.400
Use the latest versions of ESET products

This issue has been fixed in version 6.10.460 in all ESET products for Mac.

If you are experiencing issues on macOS Monterey (12), make sure you update your ESET security product to version 6.11 or later.

Solution

  1. Go to the Apple menu and select System Preferences.

  2. Click Network.

  3. Select ESET Network Protection Proxy.

  4. Click Connect.

Figure 1-1
Recurring error:

This problem (System extension required for Web and Email Protection was not started because of error) will occur again after a restart or shutdown of the computer.