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macOS Big Sur 11.0.1 Installation failed

macOS Big Sur instillation failed on my iMac (Retina 5K, 27-inch, Late 2014) the error message below is displayed:


"An error occurred while installing the selected updates".


All later attempts to upgrade display the same error message.

iMac 27″, macOS 10.15

Posted on Nov 12, 2020 1:46 PM

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Posted on Nov 12, 2020 1:47 PM

The servers are being slammed. You will have to try again later.

3 replies

macOS Big Sur 11.0.1 Installation failed

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