How to Repair Backup Error 0x8078012D in Windows 10

A backup error has been detected. This error may be caused by a virus or malware, hardware failure, or other unknown issues.

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When backing up Windows to an external hard drive, did you get the error 0x8078012D? If that’s the case, don’t worry; you’re not the only one who’s had this issue. The 0x8007045D I/O device problem may be the primary cause of this issue.

This error number is shown with an error message similar to this.

“A device fault at the source or destination caused the operation to fail.” If the source or destination volume is on disk, execute CHKDSK /R on it before repeating the procedure. An I/O device fault 0x8078012D prevents the request from being performed.

What causes the 0x8078012D Windows backup error?

• A botched backup from the past
• a skewed user profile
• Changes in configuration recently
• On the hard disk, there are bad sectors.
• Backup services in Windows have been deactivated.
• The backup procedure was hampered by third-party applications.
• Hardware issue with the external drive (if backing up to an external drive).

How can I solve the 0x8078012D Windows backup error?

Updated in October 2021:

You may now use this program to avoid PC issues such as file loss and viruses by utilizing it. It’s also a fantastic method to get the most out of your computer’s performance. The application easily resolves common Windows system problems – no need to spend hours debugging when you have the correct answer right at your fingertips:

• Step 1: Get the PC Repair & Optimizer Tool (Microsoft Gold Certified for Windows 10, 8, 7, XP, and Vista).
• Step 2: Select “Start Scan” to look for Windows registry issues that may be causing your computer to malfunction.
• Step 3: To correct all problems, click “Repair All.”

SFC and DISM scans should be performed.

1. Right-click the Command Prompt icon in the Windows search bar.
2. Choose the option to run as an administrator.
3. To execute the command, type it and then hit Enter: DISM.exe /Online /Cleanup-image /Restorehealth DISM.exe /Online /Cleanup-image /Restorehealth
4. Then enter sfc /scannow into the command prompt and press Enter to start the SFC scan:
5. After you’ve performed both instructions, reboot your computer.

Activate the backup service in Windows.

1. To launch the Run dialog box, press Windows + R.
2. Type services to open the Services window. MSC on the field of play.
3. Allow access if User Account Control (UAC) prompts you to do so.
4. Scroll down the list of services on the right until you locate the item for Windows Backup under Services.
5. Choose Properties from the pop-up menu when you right-click Windows Backup.
6. Select the General tab in the Properties window and set the starting type to Automatic.
7. Then, when the service is halted, click the Run option to restart it.
8. Make the necessary adjustments.
9. To check whether the problem code 0x8078012D has been resolved, restart the system and perform the activity that triggered it.

Disable or uninstall any third-party security software.

1. Look for the option to deactivate real-time protection by right-clicking the system tray icon of your third-party antivirus software.
2. Remove the third-party security program from the Programs and Features menu if removing it does not solve the issue.

Restart your computer in safe mode.

If the instructions above don’t work, the issue may be caused by a particular program. Click Restart PC in Windows 10 clean boot mode to start the system in clean boot mode and check whether a specific program is causing the issue.

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Most Commonly Asked Questions

A clash with your computer’s security software is the most frequent cause of 0x8078012D. Disabled Windows backup services are another possible reason of this issue. Hardware issue with the external drive (when backing up to an external drive) Changes in configuration recently.

When a Windows backup fails, the following error messages appear: “Windows backup failed” or “Backup failed.” Windows backups have failed due to corrupted files. You may not be able to back up your system if there are corrupted data on your hard disk.

To open a command prompt, press Windows + X. Then press Enter after typing “SFC /SCANNOW” (without the quotations). This will either fix the issue or at the very least reveal what went wrong. Following that, you should be able to backup the system image without any issues.

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Frequently Asked Questions

What is error code 0x8078012D?

Error code 0x8078012D is a failure code that indicates that the system cannot find the device.

Why does my Windows 10 backup keep failing?

This is a common issue with Windows 10, its usually due to the drive being full. If youre using an SSD, then you can try deleting some files in your backup folder and see if that helps.