• The System Restore error 0xc0000020 on Windows 10 is related to pretty much any type of system file corruption. The first solution is to bring your Windows 10 build to the latest version.
  • The other possible solutions are to run DISM and SFC scans and if that don't work, to run the Windows Update troubleshooter. Learn how to do all this in our step-by-step guide below.
  • Don't get too mad if you run into another System Restore error because you will, most likely, find a solution in our System Restore hub
  • We have a plethora of articles in the Windows 10 errors hub just waiting to help you troubleshoot your issue. 
System Restore Error 0xc0000020 on Windows 10

Multiple Windows users have been reaching us with questions after being unable to use the System Restore function on their PC. They also describe losing connection to their router and eventually getting the error status 0xc0000020.

The issue is related to pretty much any type of system file corruption. Starting from this point, these are some of the methods you may try to fix the System Restore error 0xc0000020 on Windows 10.

What can I do when getting System Restore error 0xc0000020 on Windows 10?

1. Bring your Windows 10 build to the latest version

latest Windows 10 build

  1. Open the Run dialog box by entering the WIN+R keyboard shortcut.
  2. Then, type ms-settings:windowsupdate and press Enter to open up the Windows update tab.
  3. Click on Check for updates.
  4. Simply follow the on-screen instructions to install every pending update.
  5. Lastly, restart your computer once again and see if the 0xc0000020 error is gone at the next computer startup.

2. Run DISM and SFC Scans

time to run DISM

  1. To begin, type cmd in the search bar and right-click Command Prompt.
  2. Up next, if prompted, hit Yes to open it with administrator privileges.
  3. Type the following commands and press Enter to initiate the DISM scans:
    Dism.exe /online /cleanup-image /scanhealth
    Dism.exe /online /cleanup-image /restorehealth
  4. Do not close the command line window until you see the message verification 100% complete, then restart your PC.
  5. Open Command Prompt as an administrator again. Type sfc /scannow in the window and then press Enter to initiate the SFC scan.
  6. Restart your computer and confirm getting rid of the System Restore error 0xc0000020.

Don’t know what to do when DISM failed? Check out this quick guide and get rid of the worries.


3. Run Windows Update troubleshooter

Advanced link

  1. At first, press Windows key + S key and type troubleshooting.
  2. In the Control Panel list of troubleshooters, access System and Security > Fix problems with Windows Update.
  3. Click on the Advanced link given at the bottom.
  4. Up next, click on the Run as administrator link.
  5. Click on the Next button and the tool will start troubleshooting all issues related to Windows Update present in your system.
  6. Once an issue is detected, it’ll show you two options: Apply this fix and Skip this fix. You can click on the Apply this fix button to solve the issue immediately.

Windows Update usually does its job silently in the background. You might not even know that it’s there, but it downloads updates automatically and it saves the ones you need to install by restarting Windows.

Like any tool, it sometimes stops working. The instructions above explain how to run the Windows update troubleshooter.

If you are still experiencing the issue and don’t care about data loss, you may also perform a clean install. Have these procedures been successful? Let us know via the comments section below.

FAQ: Read more about System Restore issues

  • Why is System Restore not working?
The reason for Windows System Restore not functioning properly might be because of system file corruption. You may need to start the computer in Safe Mode, and then try to run Windows System Restore again.
  • How do I fix a system restore error?

Restart your computer and press F8 intermittently before the Windows logo shows up. Select Safe Mode and press Enter. Once Windows restarts in Safe Mode, open System Restore and follow the wizard steps to continue.

How do I fix System Restore error 0x8000ffff?

Click Start and type System Restore in the Search box. Right-click the System Restore app and select Run as administrator. In the System Restore dialog box, click Next, then select a restore point, and then click Next. Confirm your restore point and finish.

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