Home News Fixed: Failed To Restore Copy Of File, Unknown Error 54 Occurred

Fixed: Failed To Restore Copy Of File, Unknown Error 54 Occurred

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Over the past few days, some users reported that they encountered an unknown error while copying 54 files.

When you try to sync your iPhone, iPad, or iPod touch to your computer, you may see a warning that says, “iPhone [device name] cannot sync. An unknown error has occurred (-54). “This can happen when a file is locked on your computer or iOS or iPadOS device.

 

 

If your content doesn’t sync, merge your iTunes library files and check for issues with third-party security software.

When you try to sync your iPhone, iPad or iPod touch with your computer, you may see a warning message that says:

“iPhone [device name] could not be synced. An unknown error has occurred (-54). ”

This can happen if a file is locked on your computer, iOS device, or iPadOS. Click OK to continue syncing.

If your content is not syncing, follow these steps:

  • Restart your computer and your iOS or iPadOS device.
  • If you are using iTunes on macOS Mojave or earlier, or on a PC, make sure you have the latestThe current version of iTunes and the latest software updates for your device.

If the problem persists, try the following.

Merge Media Files On Your Computer

Check For Issues With Third-party Security Software

Certain third-party software, including security software, may interfere with the synchronization process between your computer and device. Reconfigure your security software and see if that solves the problem.

Synchronize Small Amount Of Content

Synchronize only a small amount of content at a time. Add more content until you see the error again. This will help you identify the content that is causing the problem.

Delete Content And Upload Again

Removing And Re-importing Content

Remove PDF Files From Sync Process

This issue can occur when trying to transfer iTunes purchases from an iOS or iPadOS device to a computer. It can also happen when trying to sync with Apple Books because it uses the same process. In this case, there might be a problem with the PDF file stored in the Books app on your iOS device.

To work around this issue, use the Share feature in the Book app on your device to email the PDF to yourself. This will save a copy of the PDF to your email account and send it to an email address of your choice that you can access from your computer. Then, delete the PDF from your device.

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If your content doesn’t sync, merge your iTunes library files and check for issues with third-party security software.

copying files failed an unknown error occurred 54

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When you try to sync your iPhone, iPad, or iPod touch with your computer, a warning message may appear:

“iPhone [device name] could not be synced. An unknown error has occurred (-54). ”

This can happen if the file is locked on your computer, iOS device or iPadOS. Click OK to continue syncing.

If your content is not syncing, follow these steps:

  • Restart your computer and your iOS or iPadOS device.
  • If you are using iTunes on macOS Mojave or earlier, or on a PC, make sure you have the latest version of iTunes and the latest software updates for your device.

If the problem persists, try the following.

What Is ITunes Error 54

When you try to sync your iPhone / iPad / iPod touch with iTunes, you may see a warning: “iPhone [device name] cannot sync. An unknown error has occurred (-54) “.

iTunes error 54 appears when a file is locked on your computer or iPhone, or there is a permission error on your computer or iOS device. In most cases, when a problem occurs, the content is out of sync. You can try restarting your computer and iOS device to fix this problem. If that doesn’t help, don’t worry. You can solve the problem using the followingsolutions. Before doing this, however, make sure you have the latest iTunes and the latest software updates for your device.

Fixed an unknown error (-54) on iPhone / iPad / iPod cannot sync

Sometimes it seems a little tricky to fix iTunes sync error (-54) because it’s hard to find the files causing this problem. In this case, you will need to sync separately to find out what data you cannot sync. For example, you can only sync songs with iPhone 6 or iPhone 7 to check if music files are causing this unknown error (-54).

Of course, there are some general tips for fixing this error:

Solution 1: Update iTunes and iOS to the latest version

Sometimes iTunes updates fix iTunes bugs and bugs. So make sure iTunes is the latest version. And the reason iTunes refuses to sync your iPhone may be because it doesn’t support legacy iOS. Check your iPhone, update it to the latest iOS and try to sync againtions with iTunes.

Solution 2: Authorize your computer with iTunes

If your computer is not allowed to access your iTunes content, such as apps, music, movies, audiobooks, etc., iTunes will refuse to work on an unknown computer and syncing will be interrupted. You need to authorize your computer in iTunes and try to sync again:
Open iTunes> Account> Permissions> Authorize this PC> Enter your Apple ID and password when the dialog box appears> Click the Authorize button.

Solution 3: Merge your iTunes library

If your media content is not organized in iTunes, this is likely the cause of the problem. Therefore, you need to organize all the content purchased from the iTunes Store in one place in the iTunes folder.
Open iTunes> from the menu bar at the top of your computer screen or the top of the iTunes window, choose File> Library> Organize Library> Merge Files> click OK.

Solution 4. Uncheck the “Read only” checkbox to change the permissions on the iTunes folder

Read-only permission for iTunes folder on K does not allow syncing with a connected iOS device. Therefore, you must disable this option. Here are the steps you can take to change the resolution:

Open Windows Explorer> go to the Music folder> right-click the iTunes folder> select Properties> uncheck the Read Only checkbox.

Solution 5. Launch iTunes in Control Mode

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What is an unknown error?

The error is easy to explain – this is the error code you receive if the Play Store gets interrupted or interrupted by your attempt to download or update an app. All you need to do is update your Google Play Store account login.

Why does iTunes say my iPhone Cannot be found?

Make sure your iOS or iPadOS device is unlocked and shown on the home screen. Make sure your Mac or Windows PC has the latest software. If you are using iTunes, make sure you have the latest version. Make sure your device is turned on.