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Trend Micro Antivirus system permission not allowed error

LAST UPDATED: OCT 14, 2022

Why did this happen?

You may get this message on your Mac:

 Trend Micro Antivirus cannot work if system extension permission is not allowed

"Trend Micro Antivirus cannot work if system extension permission is not allowed"

Why did this happen?

You may have closed the instruction page for setting up System Extension.

How do I fix this?

Allow the Trend Micro Extension and Full Disk Access manually depending on what macOS version you have:

Expand All
For macOS 13 Ventura
For macOS 12 Monterey and below

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