Microsoft Defender (101.70.18) Problem on MacOS 12.4

[Guest Gideon Simpson]

For the second time in a month, I've had Defender behave very strangely, where it tries to install an update, it can't successfully install it, then it won't let me restart the machine. I did a hard reset so my machine would launch, and it functions, but Defender does not. When I launch it manually, after some time, I get:If I do an update on my O365 installation, it sees that Defender is out of date and tries to update to 101.70.19, but it fails too:

 

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