How to fix iTunes error 9039 Cannot sync music library

  • Users get a 9039 Unknown Error when using the iTunes tool on Windows or Mac.
  • This particular error occurs when users try to connect their iPhone to iTunes or even when they try to add music to their library.
  • Some users affected by the same problem have confirmed that they were able to resolve it by logging out of iTunes and logging back in.
  • The iTunes account you’re using likely has a temporary problem that causes error code 9039 when you add music or connect devices to iTunes.

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It appears when a Windows or Mac user tries to add music to the Apple Music library after failing to connect an Airplay device to iTunes.

It doesn’t matter if you are searching for a specific file or trying to download it from the iTunes Store, error code 9039 appears whenever you buy something from the iTunes Store.

iTunes is a media player developed by Apple Inc. and used as a client application for iOS devices. It syncs and backs up your media library, Internet radio stations, photos, videos, and other documents. It also allows users to transfer data, update the iOS version, restore the iOS version, and more. However, when using the iTunes tool on Windows or Mac, users may get a 9039 Unknown Error. If you also encounter this error, check out this troubleshooting guide.

I’m having trouble syncing my Apple Music library to my Mac. I have it on my iPhone, but the Mac keeps showing error code 9039. I can download any music manually from Apple Music to my Mac as well.

This particular error occurs when users try to connect their iPhone to iTunes through Windows or Mac, or even when they try to add music to their library. Some unsuccessful users get the error message “There was a temporary problem with your request. There was an unknown error.” So, without wasting any time, let’s proceed with the next steps.

What’s the cause of the 9039 iTunes error Cannot sync your music library

What's the cause of the 9039 iTunes error Cannot sync your music library

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hello all day I have been getting this error message. anyone else getting this message? It has been a while since I have restarted my MacBook Air (with Big Sur) and rebooted my router. Still nothing works.

In several cases, logging out and logging back in has been reported to be able to resolve this issue. It appears that one of the most common causes of this problem is a problem with your iTunes account.

Many subscribers have found that syncing their Apple Music library works to resolve the issue.

The iTunes error code 9039 may appear if you try to add music to your Apple Music library after purchasing multiple playlists outside of Apple Music. It is likely that you have exceeded the 25,000 song limit Apple currently applies to music purchased outside of iTunes when you try to add it to your Apple Music library.

How to fix iTunes error 9039 Unable to sync music library

Updated: February 2024

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You can remove your current account by clicking on Sign Out on the ribbon-bar at the top of iTunes.

You can access iCloud Music Library from iTunes > Preferences by selecting the General tab, then choosing iCloud Music Library from the list.

You can check hidden files by following the steps below after you have opened the folder:

How to fix iTunes error 9039 Unable to sync music library

Log back into your iTunes account

Connect to your iTunes account if you encounter an iTunes 9039 error on your computer. Adding music or connecting devices to iTunes causes error code 9039 if there is a temporary problem with the iTunes account you’re using. Several iTunes problems have already been linked to this issue, and it occurs more often than you think.

Connecting to your account effectively can be accomplished by following the steps below:

  1. The iTunes application is available on the desktop of your computer.
  2. From the iTunes menu bar, select the Accounts tab.
  3. Click Exit to exit.
  4. To regain access to your account, select Sign In again under the Accounts tab.
  5. Restart iTunes after you log in.
  6. Connect your device to iTunes and see if the error code persists after adding some songs to your library.

Update iTunes

If the 9039 error code is occurring on your computer because iTunes is outdated, you can resolve it by checking for an update.

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Syncing your library is a preference that needs to be checked in your account preferences. Sign out of your account to clear previous genius results. Stop and then reopen iTunes/Music, then sign back in.

If you are seeing this error message, that could mean that your phone is not connected to the network, which you can check by restarting the phone first, then going to Settings > More > About Phone > Check for Updates).

Several Apple support forums have reported numerous users experiencing this issue.

iTunes updates can be checked by following these steps:

  1. The iTunes app’s menu bar has a Help tab.
  2. Click Updates after that.
  3. The final step is for iTunes to check for software updates for your computer’s current version.
  4. Your device’s iTunes version needs to be updated if that’s the case.
  5. After restarting your computer, see if the error code 9039 remains after attempting the previous iTunes action that caused it.

Updating your iCloud music library

The 9039 error code is usually gone after updating the iCloud music library on a computer that is an Apple Music subscriber.

Following are the steps for updating your iCloud music library:

  1. On your desktop, open the iTunes app.
  2. On the menu bar, click “File”.
  3. After that, select “Select iCloud Music Library to Update.” from the ‘Library’ menu.
  4. Your computer must be restarted after the processing is complete.
  5. If iTunes error code 9039 has been fixed, connect your AirPlay device or download the song again.

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Frequently Asked Questions

If iTunes says it can't back up your device because of an error, check to see if you have the latest version of iOS installed. Then open the App Store on your iOS device, click on Updates and check that all apps on your device are updated. Delete the current backup and try again to make sure the problem is resolved.

Turn off your iCloud music library, then turn it back on. Log out of the iTunes Store, then log back in. Check iTunes first to see if the song can't be downloaded. Also, if you have added a song to your library from the Apple Music catalog, it may no longer be available on Apple Music.

Restart your iPhone: Restart your iPhone, iPad, or iPod touch. Make sure you have a good Wi-Fi or cellular connection; Settings -> iTunes and App Store -> Cellular must be enabled to use Apple Music. Turn off iCloud Music Library under Settings -> Music. Open the Music app and check it.

  1. Exit iTunes.
  2. Press the Windows key on your keyboard.
  3. Click the magnifying glass icon or the search box.
  4. Show hidden files.
  5. Open the Apple Computer folder, then the iTunes folder.
  6. Right-click the "SC Info" folder and choose "Delete" from the context menu.
  7. Restart your computer.
  8. Open the iTunes.
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Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog,, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.