Avast Security for Mac: Allowing Avast Software extensions in macOS 10.13 High Sierra

How to enable Avast Software extensions in macOS 10.13 High Sierra

The new macOS 10.13 High Sierra requires user approval before loading new, third-party kernel extensions. Avast Security uses kernel extensions for active real-time protection features. To ensure that Avast Security can fully protect your system, you need to manually allow Avast Software extensions.

Instructions

To manually allow Avast Software extensions, follow these steps:

  1. Open Security & Privacy using one of the methods below:
    • If you use Avast Security 12.9, click Go to Settings in the Shields info dialog or on the main Avast Security interface.

    ~OR~

    • Press the key and space bar simultaneously, begin typing Security, then select Security & Privacy.
  2. Ensure the General tab is selected.
  3. Click the Allow button next to System software from developer "AVAST Software a.s." was blocked from loading.
  • Avast Security
  • macOS 10.13 High Sierra

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