Experiencing the Windows 11 backup error? Here’s the fix

by Claire Moraa
Claire Moraa
Claire Moraa
Claire likes to think she's got a knack for solving problems and improving the quality of life for those around her. Driven by the forces of rationality, curiosity,... read more
Affiliate Disclosure
  • Windows Backup has been a core feature of Windows that has enabled users to back up and restore their files.
  • Sometimes the backup process may be interrupted when there are errors on the disk or due to a corrupted file in the backed-up folder.
  • Many users may have encountered the problem of Windows 11 backup error and will find this article useful.

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A backup is always a good idea to avoid data loss, but what do you do when you can’t back up files on your system? The Windows 11 backup error is quite common but it isn’t the end of the world.

Like any software, Windows 11 built-in backup feature is not perfect and may sometimes encounter different kinds of problems. 

For example, the backup may be stuck at 99% without moving forward; backup fails with an error code or Windows 11 starts backup automatically without your consent.

Backing up your computer is a critical part of keeping your data safe. If you ever accidentally delete something important, or your computer gets a virus and all of your files are lost, you can restore the files from your backup.

The error could be caused by several reasons and sometimes it’s hard to identify exactly what causes the issue. 

What causes the Windows 11 backup error?

The Windows 11 backup error can be caused by a number of reasons. Some of the common reasons include:

  • Insufficient disk space – If you are encountering this problem, try checking the available disk space on your target drive. If it turns out that there isn’t enough free space for you to create a backup of your computer, you can resolve the issue by either clearing out some of the existing files on your target drive or by using a larger drive.
  • Windows update-related error – A recent Windows update may be causing problems with your backup, or it may not. If the backup was working fine before the update, then it probably is the problem and you should uninstall the update.
  • Corrupt system files – This issue can occur if you are trying to backup files that are corrupted. If this is the case, you will need to find a way to repair those files.
  • Issues with the driver or device – If you are using an external drive to perform the backup procedure, try using another one to see if it resolves the issue. If you are using another drive (internal), try using another one as well.
  • Missing or corrupt registry keys or files – If a registry key or file is missing or corrupt, the backup will fail with an error message. Before you begin troubleshooting the error, it is important to do some general maintenance on your computer. Make sure all the automatic updates have been completed and check for any software that may have been installed.

If you experience any of the above errors, proceed to our advanced troubleshooting techniques and attempt to remedy the situation.

How can I fix Windows 11 backup errors?

1. Use a third-party tool

If your PC has corrupt system files, you don’t have to go through the long process of scanning and fixing individual files. You can opt for a third-party tool that does the job for you.

Restoro is a system optimization tool that can be used to scan and diagnose your PC for any file errors. It comes with a variety of features, like fixing registry errors and deleting junk files that can help improve the overall performance of your PC.

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2. Run the DISM command

  1. Press the Windows key, type cmd on the search bar, and click Run as administrator.
  2. Type in the following command and press Enter: DISM /Online /Cleanup-Image /ScanHealth

3. Run System file checker

  1. Press the Windows key, type cmd on the search bar, and click Run as administrator.
  2. Type in the following command then press Enter: chkdsk:/f
  3. Next, type in the following command and press Enter: sfc /scannow sfc-scannow windows 11 error system thread exception not handled

4. Update outdated drivers

  1. Press the Windows key, search Check for updates, and click Open.
  2. Select Advanced options.
  3. Go to Optional updates.
  4. Select Driver updates and proceed to Download & install then restart your system.

Expert Tip: Some PC issues are hard to tackle, especially when it comes to corrupted repositories or missing Windows files. If you are having troubles fixing an error, your system may be partially broken. We recommend installing Restoro, a tool that will scan your machine and identify what the fault is.
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You can also opt for an automatic driver update tool, created to help you solve problems with your computer and save you a lot of time. DriverFix will automatically download and install outdated drivers for all your hardware devices.

5. Enable sync on Windows backup

  1. Press the Windows key and click on Settings.open settings
  2. Navigate to Accounts and select Windows backup.
  3. Select Manage sync settings.

After completing the above steps, do not hesitate to check if the problem is finally solved.

6. Delete the WindowsImageBackup folder

  1. Navigate to the following location: C:\System Volume Information\
  2. Locate WindowsImageBackup and delete.

Windows 11 backup has failed, what can I do?

If Windows backup has failed, it could be caused by a new update of the operating system or your antivirus. You will need to disable your firewall temporarily or uninstall the recent update and see if the problem persists.

To uninstall recent Windows updates, follow the steps below:

  1. Press the Windows + I keys simultaneously to open Settings.open settings
  2. Navigate to Windows Updates then select Update history.
  3. Click on Uninstall updates.
  4. Select the most recent update then click Uninstall.

Is Windows 11 Backup any good?

Windows Backup is the most basic backup solution available to Windows users but it’s definitely better than nothing. It’s free, it’s easy to use, and it works well.

It works great for backing up documents, music, videos, and photos both locally (hard drive) and externally (USB). It also will back up system files which allow you to restore from scratch in the event of a catastrophe or if you upgrade or replace your hard drive.

However, it does have some limitations. First of all, you need some space where the backup can be stored and it needs to be accessible from the PC that you want to backup.

Secondly, the program has very limited functionality when it comes to scheduling backups or backing up network drives and libraries.

If you are looking for advanced backup software, check out our comprehensive guide on the same.

Also, feel free to refer to our guide on how to fix Windows backup errors if you run into any additional problems.

We’d love to hear from you so share your thoughts and any other suggestions in our comments section below.

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