How to Fix iTunes Sync Error -54 While Syncing iPhone/iPad/iPod

For users who frequently use iTunes to sync files to iPhone, iPad, or iPod touch, iTunes error -54 is not a strange error. When it occurs, iTunes will pop up a message says: “The iPhone [Device Name] cannot be synced. An unknown error occurred (-54).”

What is iTunes error -54 and how to this iTunes sync error when you sync contents from computer to iPhone, iPad, or iPod touch? Now follow this article to get the answers.

Related Reading: Full List of iTunes Problems You May Meet

What is iTunes Unknown Error -54

Actually, iTunes sync error -54 is a file permission issue and it occurs on both Mac and Windows computer. You will see this iTunes error message if you try to sync a file on your computer or iOS device is locked.

How to Fix iTunes Error -54 When Sync iPhone/iPad/iPod

In most cases, when you see iTunes error -54, you can click OK button to continue the sync. If it doesn’t work for you, try following methods to fix iTunes error -54.

1. Update your iTunes to latest version.

Open iTunes software on your computer > click iTunes option in the upper left menu bar > choose Check for Updates to install the latest iTunes 12.5.5.

2. Check for issues with third-party security software.

Apple believes that some third-party software including security software may interfere with the sync process between your computer and your iPhone/iPad/iPod. Therefore, you can change your security software’s setup or temporarily stop the software to see if it fixes iTunes sync error -54.

3. Change permissions of iTunes folder on Windows computer.

Click Start > File Explorer > Music, right click iTunes folder and choose Properties. In General tab, uncheck Read-only option under Attributes, and then apply the change.

4. Run iTunes in administrative mode on Windows computer.

Sign into Windows as an administrator, right click iTunes icon > Properties > Compatibility, check to run as administrator.

5. Other general solutions to fix iTunes unknown error -54

  • Delete re-download and re-import contents from iTunes.
  • Consolidate the media files in your iTunes library.
  • Use an iTunes alternative to transfer files between computer and iOS device.

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