Do you use File History or Backup and Restore (Windows 7) to create a backup on your PC? What if the backup task fails with backup error code 0x8100002F? This post on MiniTool Website will introduce the causes and solutions of this error for you.

What Is Backup Error Code 0x8100002F?

Both File History and Backup and Restore (Windows 7) are useful inbuilt utilities for you to create a backup on Windows PC. However, some errors may occur when you perform a backup task via the two tools such as size of backup: 0 bytes , error code 0x81000033 , File History drive disconnected , and more.

In this post, we will show you how to get rid of another Windows backup error -0x8100002F from your Windows 10 devices. This error code usually appears altogether with the error message: The backup completed but some files were skipped.

the error message

When you get this error message, hit View skipped files and you will see one of the following error logs:

  • Backup encountered a problem while backing up file C:\Windows\System32\config\systemprofile\<folder Name>. Error:( The system cannot find the file specified . ( 0x80070002 ))
  • Backup encountered a problem while backing up file C:\Users\<User Name>\AppData\LocalLow. Error:(The system cannot find the file specified. (0x80070002))
  • Backup encountered a problem while backing up file C:\Users\<User Name>\Contacts. Error:(The system cannot find the file specified. (0x80070002))
  • Backup encountered a problem while backing up file C:\Users\<User Name>\Searches. Error:(The system cannot find the file specified. (0x80070002))
  • Windows Backup will fail with error code 0x80070002, "The system cannot find the file specified."

These error logs indicate that the potential reasons for Windows backup error code 0x8100002F might be:

  • Backed up library contains custom folders.
  • Backed up files in the LocalLow , Contacts , and Searches
  • There are some bad sectors on the hard drive.
  • There exists corruption in system files or Windows images.
  • The Contacts folder under the user profile is missing.
  • The NVIDIA USB EHCI chipset driver is conflicted with a generic equivalent.

If you are in the same boat, scroll down to try the fixes discussed in the following part.

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How to Fix Windows Backup Error Code 0x8100002F?

Fix 1: Check Hard Disk

At first, you can take advantage of CHKDSK to check the hard drive for errors, bad sectors, system files and health issues. This might also do the trick for you when you run into backup error code 0x8100002F. To do so:

Step 1. Press Win + S to evoke the search bar .

Step 2. Type cmd to locate Command Prompt and right-click on it to choose Run as administrator .

Step 3. Type chkdsk c: /f /r /x and hit Enter .

run CHKDSK

  • Here, we suppose that your operating system is installed in Local Disk C: . If you install your OS in another drive, you can replace c: with the corresponding drive letter.
  • If prompted by the error message - CHKDSK cannot run because the volume is in use by another process , type Y and hit Enter .

Step 4. Reboot your computer to perform the disk-checking process.

Fix 2: Perform SFC & DISM Scans

If there is any corruption in system files or Windows images, it will also result in the occurrence of backup error code 0x8100002F. If it is the case, you can use the combination of SFC & DISM to find and repair damaged system files and corrupted Windows image files.

Step 1. Launch Command Prompt with administrative rights.

Step 2. In the command window, type sfc /scannow and hit Enter . It will take 15-20 minutes to complete the scanning process. As soon as it is over, reboot your computer.

run sfc /scannow

Step 3. Launch Command Prompt as an administrator again.

Step 4. Execute the following command lines one by one:

DISM /Online /Cleanup-Image /CheckHealth

DISM /Online /Cleanup-Image /ScanHealth

DISM /Online /Cleanup-Image /RestoreHealth

Step 5. After the process is done, reboot your computer to inspect if error code: 0x8100002F still exists.

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Fix 3: Modify the Registry

There might be some unwanted changes in the Registry Editor causing backup error code 0x8100002F to appear. For example, you may delete the Contacts folder under the user profile by accident. In this case, it is a good choice to remove these keys which lack the ProfileImagePath string value from your computer.

Warning: Before making any changes to Registry Editor, you had better back up the registry database in case something goes wrong during the process.