Fix Windows Backup failed with error 0x807800C5: If you are facing the error message “There was a failure in preparing the backup image of one of the volumes in the backup set. (0x807800C5)” then chances are the backup process is blocked by some 3rd party program. Sometimes the error is also caused because of old Backup data becomes obsolete and deleting it seems to fix the issue.
Having the backup of data is very important in case your system accidentally gets damaged, this backup data comes very handy. Hardware or Software as they ages becomes less efficient and sometimes they malfunctioned resulting in corruption of your Windows in which case you will lose all your data on the system, so that’s why taking a backup of your system is very important. So without wasting any time let’s see how to actually Fix Windows Backup failed with error 0x807800C5 with the help of below-listed steps.
Table of Contents
Fix Windows Backup failed with error 0x807800C5
Make sure to create a restore point just in case something goes wrong.
Note: Make sure the drive used for backup is not EFI System Partition, if it’s is than format it using NTFpartitionon.
Method 1: Run SFC and CHKDSK
1.Press Windows Key + X then click on Command Prompt(Admin).
2.Now type the following in the cmd and hit enter:
Sfc /scannow sfc /scannow /offbootdir=c:\ /offwindir=c:\windows (If above fails then try this one)
3.Wait for the above process to finish and once done restart your PC.
4.Next, run CHKDSK from here Fix File System Errors with Check Disk Utility(CHKDSK).
5.Let the above process complete and again reboot your PC to save changes.
Method 2: Rename the backup folder
1.Type Control in Windows search then click on Control Panel.
2.Next, type File History inside Control Panel search and click on it to open it.
3.Click System Image Backup on the bottom. Now you will see the location of your backup image, just navigate to that path.
4.Once you have the location you will see a folder WindowsImageBackup. Just rename this folder to WindowsImageBackup.old and again try the backup process.
5.If the old backup is taking a lot of space you could rather delete it instead of renaming it.
Now run the Create a system image wizard again, this time it will complete without any errors.
Method 3: Delete old backup data
If the above method doesn’t work then make sure to delete the below file or folder inside your backup folder:
a. Datafile – MediaID.bin
b. Folder – Windowsimagebackup
c. Computer-name (file name)
After that reboot your PC and see if you’re able to Fix Windows Backup failed with error 0x807800C5.
Method 4: Make sure Volume Shadow Copy Service is running
1.Press Windows Key + R then type services.msc and hit Enter.
2.Find Volume Shadow Copy then double click on it to open its properties.
3.Now make sure Startup type is set to Automatic and if the service is not already running click on start.
4.Click Apply followed by OK.
5.Reboot your PC to save changes and see if you’re able to Fix Windows Backup failed with error 0x807800C5.
Method 5: Create a New User Account
1.Press Windows Key + I to open Settings and then click Accounts.
2.Click on Family & other people tab in the left-hand menu and click Add someone else to this PC under Other people.
3.Click I don’t have this person’s sign-in information in the bottom.
4.Select Add a user without a Microsoft account in the bottom.
5.Now type the username and password for the new account and click Next.
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That’s it you have successfully Fix Windows Backup failed with error 0x807800C5 but if you still have any question then feel free to ask them in the comment’s section.