What is this (critical Issue ) ?

[tinaunglwin]

Please reply me
I have problems is “Critical software update is required for your mac”
I can’t activate my mac !!!This problem is IC error or Software error please tell me master??
Thank you

 

[2informaticos]

Touchbar Critical software update required

I'm just posting this here for reference as this is a common issue and there are many different causes. This is not about the network error but the error that occurred during installation of the update. The critical software update is triggered if during normal OSX boot the T1/T2 chip cannot...

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