Allow system extensions

In macOS 11 (Big Sur), kernel extensions were replaced by system extensions. These require user approval before loading new third-party system extensions.

After installation ESET Cyber Security of macOS Big Sur (11) and later, you will receive the System Extension Blocked notification from your system and the Your computer is not protected notification from ESET Cyber Security. To access all ESET Cyber Security functions, you must allow system extensions on your device.

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Upgrade from previous macOS to Big Sur.

If you have already installed ESET Cyber Security and you are going to upgrade to macOS Big Sur, you will need to allow the ESET kernel extensions manually after the upgrade. Physical access to the client machine is required—when accessing remotely, the Allow button is disabled.

When you are installing the ESET product on macOS Big Sur or later, you must allow the ESET system extensions manually. Physical access to the client machine is required—when accessing remotely, this option is disabled.

Allow systems extensions manually

1.Click Open System preferences or Open Security Preferences in one of the alert dialogues.

2.Click the lock icon at the bottom left to allow changes in the settings window.

3.Use your Touch ID or click Use Password and type your User Name and Password, then click Unlock.

4.Click Details.

5.Select all three ESET Cyber Security.app options.

6.Click OK.

For a detailed step-by-step guide, visit our Knowledgebase article. (Knowledgebase articles are not available in all languages.)