Windows

How To Run Sfc Scan Windows 11

Running an SFC scan on Windows 11 can help diagnose and fix issues with your system files, ensuring optimal performance and stability. Did you know that corrupt or damaged system files can cause various problems, including crashes, errors, and slow performance? In just a few simple steps, you can use the System File Checker (SFC) tool to scan and repair these files, restoring your computer to its optimal state.

Windows 11 comes equipped with the SFC tool, which has been a part of the Windows operating system for many years. By running an SFC scan, you can detect and repair issues with important system files that may have become corrupt over time. It is a crucial troubleshooting step to consider whenever you encounter performance issues or error messages on your Windows 11 computer. The SFC scan compares the integrity of system files against a known-good version stored in the Windows component store and replaces any corrupted files with clean copies, ensuring your system functions smoothly and efficiently.




Overview: Why Run Sfc Scan in Windows 11?

Windows 11 is the latest operating system by Microsoft, designed to provide a seamless and efficient user experience. However, like any other software, it is not immune to errors and corruption. This is where the System File Checker (SFC) scan comes in handy. SFC is a built-in command-line utility in Windows 11 that scans for and repairs corrupted system files, ensuring the stability and performance of your operating system.

Running an SFC scan is essential to resolve various issues on your Windows 11 system, such as unexpected crashes, sluggish performance, application errors, and more. It helps to identify corrupted files and replaces them with the correct versions from the Windows system file repository. By running an SFC scan, you can restore the integrity of system files and ensure that your Windows 11 operating system functions smoothly.

In this article, we will guide you through the process of running an SFC scan in Windows 11. We will cover different methods and commands to execute the scan, ensuring that your system remains in optimal condition.

Method 1: Run SFC Scan Using Command Prompt

One of the most common methods to run an SFC scan in Windows 11 is by using the Command Prompt. Follow the steps below to perform this scan:

  • Press the Windows key on your keyboard and type Command Prompt.
  • Right-click on the Command Prompt app and select Run as administrator from the context menu. This will open an elevated Command Prompt window.
  • In the Command Prompt window, type sfc /scannow and press Enter to execute the SFC scan.
  • Wait for the scan to complete. It may take some time depending on the size of your system files and the speed of your computer.

Once the SFC scan is finished, the Command Prompt will display the results. If any corrupted files are found, the utility will attempt to repair them automatically. Restart your computer after the scan completes to ensure the changes take effect.

Additional Command Options for SFC Scan

While the basic command "sfc /scannow" is usually sufficient for most cases, there are additional command options you can use to customize the SFC scan process:

/scannow Performs an immediate scan of all protected system files.
/verifyonly Scans files only without making any changes. It does not repair any corrupted files.
/scanfile filename Scans a specific file defined by filename. Replace filename with the actual path of the file you want to scan.
/verifyfile filename Verifies the integrity of a specific file defined by filename. Replace filename with the actual path of the file you want to verify.
/offbootdir drive_letter:\folder_path Specifies the location of the offline boot directory.
/offwindir drive_letter:\folder_path Specifies the location of the offline Windows directory.

Remember to run the Command Prompt as an administrator when using any of these additional options.

Method 2: Run SFC Scan Using PowerShell

If you prefer using PowerShell instead of the Command Prompt, you can also run an SFC scan using this powerful command-line tool. Here's how:

  • Press the Windows key on your keyboard and type PowerShell.
  • Right-click on the Windows PowerShell app and select Run as administrator.
  • In the PowerShell window, type sfc /scannow and press Enter to initiate the SFC scan.
  • Wait for the scan to complete. PowerShell will display the progress and results of the scan.

Once the SFC scan finishes, review the results in the PowerShell window. If any corrupted files are found, PowerShell will attempt to repair them automatically. Restart your computer after the scan completes to implement the changes.

Method 3: Run SFC Scan Using Windows PowerShell (Admin) via Context Menu

Another convenient way to run an SFC scan is by adding a "Run SFC Scan" option to the context menu of Windows PowerShell (Admin). This method eliminates the need to open PowerShell manually and run the command. Here's how to set it up:

  • Press the Windows key on your keyboard and type "Regedit" to open the Windows Registry Editor.
  • Navigate to the following path:
    HKEY_CLASSES_ROOT\Directory\Background\shell
  • Right-click on the shell key in the left navigation pane and select New > Key. Name the new key "SFC Scan".
  • Right-click on the newly created "SFC Scan" key and choose New > Key. Name the new key "command".
  • Double-click on the (Default) value in the right pane and enter the following command:
    powershell.exe -windowstyle hidden -command "Start-Process cmd.exe -ArgumentList '/s,/c,sfc /scannow' -Verb RunAs"
  • Click OK to save the changes.
  • Close the Registry Editor.
  • Right-click on an empty area in the File Explorer and select Refresh to update the context menu.
  • Now, whenever you want to run an SFC scan, simply right-click anywhere in the File Explorer, go to New, and click on SFC Scan.

Caution: Modifying the Windows Registry

Editing the Windows Registry is a sensitive task. Any mistakes or changes to the wrong keys can cause system instability or even lead to data loss. It is essential to back up your registry before making any modifications and proceed with caution. If you are uncomfortable with manually editing the registry, it is best to seek assistance from a knowledgeable individual or consider alternative methods.

Method 4: Run SFC Scan Using Windows PowerShell Command Prompt

If using the graphical interface is not your preference, you may opt to use the Windows PowerShell Command Prompt to run an SFC scan. Here's how:

  • Press the Windows key on your keyboard and type "PowerShell" to search for Windows PowerShell.
  • Right-click on the Windows PowerShell app and select Open file location. This will open the Windows PowerShell installation folder.
  • Right-click on the Windows PowerShell shortcut and select Properties.
  • In the properties window, ensure that the Shortcut tab is active.
  • In the Target field, add the following command to the end of the existing command:
    -noexit -command "Start-Process cmd.exe -ArgumentList '/s,/c,sfc /scannow' -Verb RunAs"
  • Click OK to save the changes.
  • Now, whenever you want to run an SFC scan, double-click on the modified Windows PowerShell shortcut to open a Command Prompt window and start the scan.

Using this method allows you to run the SFC scan directly from the Command Prompt interface of Windows PowerShell.

Another Dimension: Advanced SFC Scan Options in Windows 11

Along with the traditional System File Checker (SFC) scan, Windows 11 provides additional advanced options to repair and recover corrupted system files. These advanced options can be accessed through the Deployment Image Servicing and Management (DISM) tool and are useful in scenarios where the regular SFC scan fails to fix the issues.

Method 1: Run DISM RestoreHealth Command

The DISM tool helps to repair the Windows image and resolve issues that may hinder the SFC scan. Here's how to run the DISM RestoreHealth command:

  • Open an elevated Command Prompt or Windows PowerShell using the methods mentioned earlier.
  • Type the following command and press Enter:
    dism /online /cleanup-image /restorehealth
  • DISM will begin the process of repairing the Windows image, which may take several minutes depending on your system's performance and internet speed.
  • Once the process completes, restart your computer and run the SFC scan again using the methods described in the previous section.

The DISM RestoreHealth command checks for corruption in the Windows image and retrieves the necessary files from Windows Update to repair the damage.

Using DISM with Source Image

If the DISM tool encounters issues with retrieving the required files from Windows Update, you can use a source image (such as the Windows 11 installation media) to repair the Windows image. Here's how:

  • Insert your Windows 11 installation media into your computer.
  • Open an elevated Command Prompt or Windows PowerShell.
  • Type the following command and press Enter:
    dism /online /cleanup-image /restorehealth /source:drive_letter:\sources\install.wim
  • Replace drive_letter with the actual drive letter assigned to your Windows 11 installation media.

This command instructs DISM to use the source image file from the installation media and repair the Windows image accordingly.

Method 2: Run DISM CheckHealth and ScanHealth Commands

In addition to the DISM RestoreHealth command, Windows 11 offers two other commands: DISM CheckHealth and DISM ScanHealth. These commands enable you to check the health of the Windows image without performing any repairs. Follow the steps below to run these commands:

  • Open an elevated Command Prompt or Windows PowerShell.
  • Running SFC Scan on Windows 11

    If you encounter issues with your Windows 11 operating system, such as corrupted files or system errors, running an SFC (System File Checker) scan can help identify and fix the problem. This built-in utility scans and replaces any damaged or missing system files, ensuring the smooth operation of your computer.

    To run an SFC scan on Windows 11, follow these steps:

    • Open the Start menu and search for "Command Prompt".
    • Right-click on the Command Prompt app and select "Run as administrator".
    • In the Command Prompt window, type "sfc /scannow" and press Enter.
    • The scan process will begin, and it may take some time to complete. Do not interrupt the process.
    • Once the scan is finished, you'll see a message indicating whether any issues were found and resolved.
    • If the scan detects any problems, it will automatically attempt to repair them. If it can't, you may need to perform additional troubleshooting steps or seek professional help.

    Running an SFC scan is an effective way to resolve system issues and maintain the stability of your Windows 11 computer. It is recommended to run regular scans to keep your system files in good condition and prevent potential problems in the future.


    Key Takeaways - How to Run SFC Scan in Windows 11

    • Running an SFC scan is an effective way to fix system file issues in Windows 11.
    • To run an SFC scan, open the Command Prompt as an administrator.
    • Type "sfc /scannow" and press Enter to initiate the scan.
    • The scan may take some time, so be patient and avoid interrupting the process.
    • After the scan is complete, you will receive a message indicating whether any issues were found and repaired.

    Frequently Asked Questions

    Here are some common questions and answers related to running an Sfc scan on Windows 11:

    1. Can I run an Sfc scan on Windows 11?

    Yes, you can run an Sfc scan on Windows 11. The System File Checker (Sfc) is a built-in utility in Windows that can scan for and restore corrupted system files. It can help fix various issues, such as crashes, errors, and performance problems.

    To run an Sfc scan on Windows 11, you can use the Command Prompt or PowerShell. Open either of these applications with administrative privileges and then type "sfc /scannow" without the quotes. Press Enter to start the scan. The process may take some time, and you should not interrupt it.

    2. What does an Sfc scan do?

    An Sfc scan, or System File Checker scan, checks for and repairs corrupted or missing system files on Windows. It helps maintain system stability, improves performance, and resolves issues that may arise due to corrupted files.

    During the scan, the Sfc utility compares the current versions of system files with the ones stored in the Windows component store. If any discrepancies or corruptions are found, the utility replaces or repairs the files with the correct versions.

    3. How long does an Sfc scan take on Windows 11?

    The duration of an Sfc scan on Windows 11 can vary depending on various factors, such as the number of files to scan and the performance of your computer. Generally, the scan process takes around 15 to 45 minutes. However, it may take longer if there are a large number of files or if your computer's performance is slower.

    It's important to be patient and let the scan complete without interruption. Interrupting the scan may result in incomplete repairs or system instability.

    4. Can I run an Sfc scan in safe mode on Windows 11?

    Yes, you can run an Sfc scan in safe mode on Windows 11. Safe mode is a diagnostic mode that starts the computer with a minimal set of drivers and services. It can help troubleshoot issues caused by conflicting software or drivers.

    To run an Sfc scan in safe mode, you can access the Advanced Startup options by pressing the Shift key while selecting Restart from the Start menu. Once in Advanced Startup, go to Troubleshoot > Advanced options > Startup Settings, and then select Safe Mode. After you restart in safe mode, open the Command Prompt or PowerShell with administrative privileges and run the "sfc /scannow" command.

    5. What should I do if the Sfc scan doesn't fix my issues in Windows 11?

    If the Sfc scan doesn't fix your issues in Windows 11, there are a few additional steps you can take:

    1. Run the Deployment Image Servicing and Management (DISM) tool: DISM is another built-in utility that can repair the Windows image and fix issues with Windows Update. Open the Command Prompt or PowerShell with administrative privileges and run the "dism /online /cleanup-image /restorehealth" command.

    2. Perform a system restore: If you have a restore point created before the issues started, you can use the System Restore feature to revert your system back to that point. Open the Control Panel, go to System and Security > System > System Protection, and then follow the on-screen instructions to perform a system restore.

    3. Seek professional help: If none of the above steps resolve your issues, it's recommended to seek professional assistance. A computer technician or IT expert can provide further diagnosis and help you resolve the underlying problems.



    In summary, running an SFC scan on Windows 11 is a straightforward process that can help diagnose and fix system file issues. It is a built-in tool that scans your computer for corrupt or missing files and repairs them automatically. To run an SFC scan, you can use the Command Prompt or the Windows PowerShell by following a few simple steps.

    First, open the Command Prompt or Windows PowerShell as an administrator. Then, type "sfc /scannow" and press Enter. The scan will start, and it may take some time to complete depending on your system's performance. Once the scan finishes, you will receive a report that indicates whether any issues were found and repaired.


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