How to use the System File Checker tool in Windows 11

This tutorial will show you step by step how to use the System File Checker tool in Windows 11.

System File Checker is a utility in Microsoft Windows that allows users to scan for and repair missing or corrupted system files.

How to run System File Checker in Windows 11

1. Open Windows “Command Prompt” or “Terminal” as an administrator. One way to do this is to right-click on the start menu button (or press the Windows + X keys) and then click on Terminal (Admin).

Open Windows Terminal as an administrator

You can also click on the start menu button or search icon located in the taskbar > type cmd > right-click on Command Prompt > click on Run as administrator.

Windows 11 search icon Open Windows Command Prompt as an administrator

Or you press the Windows + R keys on your computer's keyboard simultaneously to open a “Run” window > type cmd into the “Run” window > press the Ctrl + Shift + Enter keys on your keyboard simultaneously.

Windows + R keyboard keys Open Windows Command Prompt as an administrator via Run box

2. When the “User Account Control” window appears, you click Yes.

Note: Depending on your settings, you might need to enter your administrator password first and then click Yes.

3. In the Command Prompt or Terminal window, you type (or copy and paste) the following command:

DISM.exe /Online /Cleanup-image /Restorehealth
Run DISM Online Cleanup-image Restorehealth command

4. Press the Enter key on your computer's keyboard.

Note: This process may take a few minutes to start and complete.

5. After you see a message that says “The operation completed successfully”, you type (or copy and paste) the following command:

sfc /scannow
Run System File Checker

6. Press Enter on your keyboard.

The System File Checker tool will scan all protected system files, and replace corrupted files with a cached copy.

This process may take a while.

7. Wait till the process is complete.

8. After you see a message that says “Verification 100% complete”, you can close the Command Prompt or Terminal window.


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References:

https://support.microsoft.com/en-us/windows/using-system-file-checker-in-windows-365e0031-36b1-6031-f804-8fd86e0ef4ca