OS Catalina unable to update

Every time I try to update my MacBook Air 2015 it comes up with an error that says PKDownload error 3.

What is going on? How can I fix this issue?

MacBook Air 13", macOS 10.12

Posted on Feb 17, 2020 6:28 AM

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Feb 17, 2020 7:21 AM in response to LachlanRichardson

Update or Upgrade to Catalina?

https://itunes.apple.com/us/app/macos-catalina/id1466841314?mt=12&l=en-us

Once the installer is downloaded, boot into SafeBoot mode and run the installer from this environment:

Try a SafeBoot https://support.apple.com/en-us/HT201262

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OS Catalina unable to update

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