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It may seem odd but the usual cause is a corrupt installer, and simply deleting the installer app and downloading a new copy will likely fix the issue.
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This message usually shows up as a sheet that drops down from the macOS or OS X installer shortly after you start the install process. With the backup recommendation out of the way, let’s get started with the error messages.Ĭould Not Write Installation Information to Disk You can find a large number of external enclosures, drives, and SSDs, as well as a portable and easily-carried-with-you Envoy Pro EX high-performance USB 3 or Thunderbolt bus-powered SSD storage. If you don’t have a backup system in place, I highly recommend investing in one before you install a new version of macOS. Having a Time Machine backup or a clone of your current system can be a lifesaver. Some of the installation issues we’re going to mention can cause loss of data. Installation Issues Commonly Seen with macOSīefore we get too far along, I want to point out the obvious: don’t install a new version of the Mac operating system without having a current backup. With any luck, you may be able to either correct the issue, allowing you to finish the installation, or prevent the problem from occurring in the first place. (Cue here the obligatory grumble about this being an atrocious experience.In this guide, we will look at some of the installation problems that tend to occur with new releases of the Mac operating system. When you are signing up on a big day for server traffic, check the store status for outages as well: It seems that the third time was a charm, because it then displayed a welcome message. I could then exit iTunes and launch the App Store, and I was prompted three times to log in, but I no longer received the error message instructing me to review my account information. In the final step of the log in wizard, I received an error message, but it appeared that nevertheless iTunes was logged in. I had to accept the terms of service and reenter my payment details, even though I had already done both these things from signing in to the Apple ID website.
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Have some patience and keep trying if it at first does nothing I had to log in twice as clicking on the "Review" button on the first attempt did nothing.
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The resolution for me was to launch iTunes on my Mac (Music app on Big Sur and later), and sign in from the account menu there.
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