There was a failure in preparing the backup image of one of the volumes in the backup set (0x807800C5)
When you encounter this issue, you’ll receive the following full error message;
System Image Backup errors 0x807800C5 and 0xC03A0005
If you’re faced with any of these error codes, you can try our recommended solutions and see if any of them help you resolve the issue. 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) Let’s take a look at the description of the process involved concerning each of the listed solutions.
1] Format the target drive
If the destination partition or target USB external hard drive becomes inaccessible or corrupted, the system image backup operation won’t complete successfully. In this case, you can create a new partition or format the external USB hard drive.
2] Rename old WindowsImageBackup folder
This solution requires you to rename the old WindowsImageBackup folder on the destination drive – this allows you to create multiple System Images on a single external drive.
3] Use third-party imaging software
If neither of the above solutions worked, you can use any of the 3rd party Imaging, Backup, and Recovery Software for Windows 10 to create the system image backup. Hope this helps! Related post: System Image Backup fails with error codes 0x807800C5 and 0x80780081.