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MS Defender 101.25102 update error
I have been trying to update MS Defender for several days now and without luck. I am on a iMac M3 with macOS 26.1. I tried removing and reinstalling the app, but it seems that the uninstall script d...
This was an issue in our company. Upgrading from 2506X is a known issue. As far as I know, only your IT admin can fix it. This article led to our solution: https://github.com/microsoft/mdatp-xplat/tree/master/macos/upgrade_from_2506_helper
I found that page linked from here: https://learn.microsoft.com/en-us/answers/questions/5594918/microsoft-defender-for-endpoint-on-macos-fails-to