The request could not be performed because of an I/O device error
Fix Windows Backup Error Code 0x8078012D, The backup operation failed
These are the things you can do to fix Error 0x8078012D, The backup operation failed on Windows 10: Let us talk about them in detail.
1] Run CHKDSK /R on the source or destination volume
Error 0x8078012D, The request could not be performed because of an I/O device error can be due to a bad sector in the hard drive. Therefore, we need to launch the Command Prompt as an administrator and run the command-line chkdsk parameter.
2] Enable Windows Backup Services
This solution requires you to enable Windows Backup Service from Windows Services. To enable this Service, follow the given steps: Restart your computer and check if the issue persists.
3] Choose a different location to save the backup file
If you are still facing the Backup Error 0x8078012D, The request could not be performed because of an I/O device error try choosing a different location to save your backup. You can do that while creating the backup of your file.
4] Create Backup in Clean Boot State
If the problem is because of a conflicting program, try creating in Clean Boot State. To troubleshoot in Clean Boot State, follow the given steps: Now, create a backup using Windows Backup and Restore tool.
5] Use File History to create a backup
If you are facing Error 0x8078012D while backing up your system files. Try doing the same with File History.
6] Recreate Backup
The Error 0x8078012D can be because of a corrupt backup file. Therefore, you should delete the existing backup and recreate the backup. To delete your existing backup, launch Control Panel from the Start Menu and click Backup and Restore (Windows 7) > Manage Space. Now, click View Backups, select your Backup, and click Delete. This way, your existing backup is deleted. Now, create a new one and check if the issue persists. We hope that this has helped you in fixing Backup Error 0x8078012D. Unrelated reads:
System repair disc could not be created, Error Code 0x8007045DDISKPART error, The request could not be performed because of an IO device error.
