Find an iTunes or Finder error code
When using the Finder or iTunes, you may receive alert messages that include specific error numbers.
Choose your error code to find out what to do. If the alert message you've received includes an error code with a negative number, look up the number without the minus sign.
Find your error code
If you can't see your error code and you're trying to restore or update your iPhone, iPad or iPod touch, find out how to resolve errors that have occurred while restoring or updating.
If the steps for restoring or updating your device haven't worked, find out more about resolving errors in the Finder or iTunes.
If you can't see your error code and still need help, contact Apple Support.
Get more help
If you've received error 1671, then your computer is downloading necessary software and you'll need to wait for the download to finish. Get the latest version of macOS and iTunes to resolve this error.
Learn what to do if you're prompted to authorise your computer when you try to play iTunes Store purchases.
Learn how to fix issues with your iTunes Store connection.
Make sure you've followed the basic steps to resolve the Finder and iTunes errors or iPhone, iPad and iPod touch update or restore errors.