App Store not working on MacBook Air running 11.6.1

If you can't connect to the App Store, iTunes Store, or other Apple services

https://support.apple.com/en-us/HT201400

All the best :-)

Joseph-72 Said:

"App Store not working on MacBook Air running 11.6.1: I cannot synch Music on my MacBook, yet can between iPhone and iPad. App Store also does not run"

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Try in a Few:

As for connecting to the App Store, there is reportedly an error on Apple's side with their servers. So, try later on.

Sync music between your Mac and iPhone or iPad

https://support.apple.com/en-au/guide/mac-help/mchlbf6a1fab/mac

Hope this helps :-)