About this error

You can never be more careful about data protection since the massive factors behind data loss. Therefore, many users have used the Windows built-in Backup and Restore tool to create system image backup. There may be some errors while using Backup and Restore to create a backup. This article will show you how to fix one of the common error that there was a failure in preparing the backup image of one of the volumes in the backup set. The error code is (0x807800C5) and with additional information: The version does not support this version of the file format.

Backup Error

Possible cause and solution

The Windows backup image file was saved in a folder named “WindowsImageBackup” on the target location you specified. If you have already created a backup and then you want to create another backup in the same location storage device, Windows cannot have two folders with the same name in the one location. Therefore, you will receive this Windows backup error.

In this case, you can either rename the old folder “WindowsImageBackup” as “WindowsImageBackup.old” or set another location as the backup target. However, if this does not work, you can try a free backup program that works more smoothly.

Backup software that works better

As a piece of free backup software, AOMEI Backupper Standard allows you to perform backup and restore with an easier way. Every new backup will generate a new folder name by default, and you can also name it yourself if you like. You can use it to backup to external hard drive, local disk, NAS network shared folder, or other locations. For schedule backup, you can use full backup, incremental backup or differential backup.

To create a system image backup with AOMEI Backupper:

1. Download and run this freeware.

2. Click “New Backup” or “Backup” tab, and then select “System Backup”.

System Backup

3. The required the partitions for a full system restore will automatically be included in the backup source, so you just need to click “Step 2” to specify the backup target location.

Backup Location

4. Confirm the information and then click “Start Backup” to start the backup process.

Start Backup

As mentioned, if you create another backup to the same folder, the program will generate a new folder name. Additionally, it is also supported to backup to critical volumes. Therefore, with AOMEI Backupper, you will never meet a problem like there was a failure in preparing the backup image of one of the volumes in the backup set.