How to enable the McAfee System Extension on macOS 10.13 and 10.14
If you see a “System Extension Blocked” message during installation of your McAfee security product on macOS, follow the process in this video to resolve the problem. Often, taking these steps solves the problem and enables installation, but if you’re still having trouble our customer service team is happy to help you.
Watch this quick video from beginning to end or use the links below to go directly to the section you need:
0:00 Enable the McAfee System Extension on macOS
0:09 System Extension Blocked message
0:38 Open Security Preferences
1:08 Authorize the Extension to enable Real-Time Scanning and the McAfee Firewall
2:11 Turn on Real-Time Scanning and the McAfee Firewall
If you prefer written instructions, use this link to read the corresponding article:
https://www.mcafee.com/support/s/arti...
Our customer service team is happy to help with this and other issues. Connect with us at:
https://www.mcafee.com/support/s/cont...
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