FIX: Error 0x81000036 while performing Windows 11/10 Backup

Many Windows 10 users have reported that they are seeing a Windows Backup Error message with error code 0x81000036 when they try to restore the system to a previously created restore point. The complete error message is as follows.

This error is usually seen when the Virtual machine-related apps like Hyper V and Windows Sandbox features are enabled in Windows 10. In this article , we have compiled a list of fixes that might help you solve the Windows Backup Error.

Fix 1: Disable  Windows Sandbox

Step 1: In the search bar of the taskbar type Turn Windows features

Step 2: From the menu choose the option Turn Windows features on or off

Step 3: In the appearing window, scroll down and locate Windows Sandbox

Step 4: Untick to Turn Off these features and press on the OK button

Step 5: If you see dialog popping up, click on Yes

Step 6: Perform the backup operation back and check if you see any errors.

Check if this helps, if not, try the next fix.

Fix 2: Disable Hyper-V

Step 1: Open Turn Windows features on or off. (Refer Steps 1,2 from Fix 1)

Step 2: Scroll down and locate Hyper V.

Step 3: Untick on the checkbox next to Hyper V.

Step 4: Click on the OK button.

Step 5: If you see dialog popping up, click on Yes.

Step 6: Again, perform the backup operation back and check if the errors have been resolved.

Check if this helps. If not, try the next fix.

Fix 3: Remove the WindowsBackupImage folder

In certain cases, this error is seen, when previous backup files are present.

Step 1: Locate your WindowsBackupImage folder.

NOTE: This is different for all. But will be located within the drive where windows is installed. Also, it will be a hidden folder.

Step 2: Either Delete the WindowsBackupImage folder or move the previous version backups to a different folder.

That’s All

We hope this article has been informative. Thank you for Reading.

Kindly comment and let us know the fix that helped you solve the problem.

Anusha Shenoy

Anusha Pai is a Software Engineer having a long experience in IT industry and having a passion to write.