Forum Discussion
MS Defender - Installation Error version 101.25072 on macOS
Dear experts, The latest version of MS Defender can't be installed. I'm getting an error message since release date (5th Aug). I have tested to restart the computer, tested with different networks, ...
First check /Library/Logs/Microsoft/mdatp/install.log on your device. Hopefully you'll find more detailed information in why the installation fails.
You can also check if Microsoft Defender and MDE Security Extension has full disk access on your MAC. If not, change to full access and don't forget to restart your MAC. After reboot, try the install again.