Windows 10 Backup Error Code (0x807800C5) – Why & How to Fix

Are you experiencing the Windows 10 backup error code (0x807800C5)? This guide will show you why the error occurs and how to fix it. Moreover, we'll provide an alternative to Backup and Restore, which can help you create a system image with ease.

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Updated by Larissa on Jul 20, 2023

Backup is an excellent way to protect the safety of important data to prevent any potential data loss due to viruses, malware, etc. Windows provides a built-in Backup and Restore feature that allows users to create a system image or backup files and folders. However, you may come across the Windows 10 backup error code (0x807800C5) when trying to create a system image.

The windows 10 backup error code (0x807800C5) usually appears with the following message:

"The backup failed. There was a failure in preparing the backup image of one of the volumes in the backup set. (0x807800C5). Additional information: The version does not support this version of the file format. (0xC03A0005)"

windows 10 backup error 0x807800c5

Don't worry if you see this Windows 10 backup error code (0x807800C5). This guide will show you why the error occurs and how to fix it. Moreover, we'll provide an alternative to Backup and Restore, which can help you easily create a system image.

Why the Error Code 0x807800C5 Appears

Several things can cause the windows 10 backup error code 0x807800C5, but most commonly, it is caused by duplicate Windows system image backup or file backup tasks. It means that you have created two or more backup tasks trying to back up the same windows image or file.

It is also sometimes caused by a corrupt or damaged windows system file or blocked by a third-party program or app that is running on your computer.

Whatever the reason, we provide corresponding solutions to fix your issue in the next part.

But if you don't want to try the solutions one by one, You can jump to the part "Windows Backup and Restore Alternative: Create System Image Easier". We provide an easier way to back up your system, file, disk, or email.

How to Fix Windows 10 Backup Error Code 0x807800C5

Situation 1. Backup and Restore Is Performing Multiple Tasks

Windows Backup and Restore (Windows 7) only allows backing up the same system or file once. If you are trying to save a second copy of your system, the error code (0x807800C5) will appear to remind you that. For this situation, you can try to rename the WindowsImageBackup folder or remove the backup file.

Follow the steps below to rename WindowsImageBackup folder:

Step 1. Find your system image backup on your computer. It will be named as the WindowsImageBackup by default. 

(Backup and Restore allows you to choose the specific location where you want to put the backup. You need to find where you have put the backup folder.)

system image backup

Step 2. Right-click the fold and select "Rename." (Or, you can choose to delete the previous backup folder.)

rename or delete

Step 3. Enter a different name and save it.

Step 4. Then, you should return to Backup and Restore to create another system image.

Situation 2. Third-party Programs or Applications Block

This error is probably caused by the antivirus, firewall, or other security software that is installed on your computer. To fix this problem, you can perform a clean boot:

The steps below show how to do it:

Step 1. Press Windows + R keys to open the Run box, and then type "msconfig" in the box and hit Enter.

Step 2. In the System Configuration window that opens, go to the "Services" tab, check the "Hide all Microsoft services" option at the bottom of the window, and then click "Disable all".

perform a clean boot

Step 3. Go to the Startup tab, and click Open Task Manager.

Step 4. In the startup programs list in Task Manager, select each item and click Disable in turn.

After you have completed these steps, restart your computer and try to back up your system again to see if the error code 0x807800C5 has been removed.

Windows Backup and Restore Alternative: Create System Image Easier

As you can see, even though Microsoft has provided us with the Backup and Restore tool, it still has many issues that make the backup process tricky. Apart from the error code 0x807800C5, you may encounter the problem of the backup being stuck at 97%, the Windows backup keeps failing, etc. 

So, to make the backup and restore process more accessible, we recommend you try EaseUS Todo Backup Home. It is a better alternative to Windows Backup and Restore, which can help you make a system image or file backup with ease. Moreover, it also provides other features like disk/partition backup and clone, email backup & recovery, etc. Using it, you can enjoy a fast and smooth backing experience. And you don't need to perform a backup manually each time because it allows creating a scheduled backup to run automatically.

Another attractive point of EaseUS Todo Backup Home is that You can store backups to multiple targets like internal & external hard drives, Cloud services(Google Drive, OneDrive, EaseUS Cloud), NAS, EaseUS Todo Backup security zone, etc. It gives you more options to save important backups to avoid any data loss.

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Here are the detailed steps to use EaseUS Todo Backup Home to back up the system:

Step 1. Launch EaseUS Todo Backup and choose "Create Backup" on the home page, click "Select backup contents".

create system backup step1

Step 2. Among the four available categories, click "OS" to start back up.

create system backup step2

Step 3. The system partition will be automatically selected, you only need to select the location.

create system backup step3

Step 4. Local Drive, Cloud, and NAS are available for you to save the backup file. You can also connect an external hard drive to preserve the system backup files.

create system backup step5

Step 5. You can customize the settings in "Options" at the left bottom. After that, click "Backup Now", and the process will begin.

create system backup step 5

*After finishing the backup process, you can check the backup status, recover, open, or delete the backup by right-clicking the backup task on the left.

Final Thoughts

To sum up, we have offered possible reasons for Windows 10 backup error code 0x807800C5 and two available methods to fix the issue. If you don't want to go through the complex steps to back up your system, you can try the easier and more effective way by using EaseUS Todo Backup Home. It is a reliable backup solution that can help you create a system image or file backup that you should never miss.

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FAQ on Windows 10 Backup Error Code 0x807800C5

Why is my Windows 10 backup not working?

There can be several reasons for this issue: 

  • The backup destination is not available
  • You try to back up files from an external drive that has been removed
  • Backup is running 
  • There are system issues, etc.

What is Windows image backup?

Windows image backup means creating an exact copy of your hard drive, including the operating system, settings, applications, and user data. Once you have made a windows image backup, you can use it to restore your computer to the state it was in when you made the backup if something goes wrong.

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Updated by Larissa

Larissa has rich experience in writing technical articles. After joining EaseUS, she frantically learned about data recovery, disk partitioning, data backup, and other related knowledge. Now she is able to master the relevant content proficiently and write effective step-by-step guides on computer issues.

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Product Reviews

TrustScore 4.7 | 47 reviews
  • Taking everything into consideration, we can say that EaseUS Todo Backup Home can offer you a little extra sense of security with a set of advanced tools. The interface provides quick adaptation, every process guiding you all the way through so you don't get stuck or further damage your system rather than keeping it safe.

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  • EaseUS Todo Backup Free lets you create backups of your important files or your entire computer through its streamlined interface. Just choose the backup type you'd like to get started, and let the program do the reset.

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  • EaseUS includes all the features I expect from backup software like versioning, incremental backups, and scheduling. For more advanced users, EaseUS allows you to install a pre-boot environment onto your hard drive so you can use it to restore files without burning a CD or putting it on an external USB drive.

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