How to Troubleshoot SFC is Unable to Fix Corrupt Files Error

SFC Scan is one of the most useful and essential inbuilt tools in Windows operating systems. The System File Checker scan detects the damaged or corrupted files in Windows and is responsible for repairing them. But unfortunately, there are times when the SFC scan doesn’t work properly and shows the scan result with a statement saying that the SFC scan detected corrupted files but was unable to repair some of those files. Well, there are some methods and workarounds to troubleshoot the problem and have SFC begin repairing the damaged files again.

Here is how to troubleshoot SFC is unable to fix corrupt files error

Start Windows 10 in Safe Mode

1. First, click the Start menu button and click the power button.
2. Now, proceed to Restart the system.
3. Choose the Troubleshoot and go to Advanced options.
4. Now, go to Startup Settings.
5. Click the Restart button and select Enable Safe Mode.
6. Now you have to log into Windows.
7. Click open the Start menu and type cmd.
8. Right click on cmd in the search results and select Command Prompt.
9. Select Admin from the main menu.
10. Type sfc /scannow and press enter button.
11. The sfc should bring the desired results.

Try using DISM

1. Run Command Prompt as administrator.
2. Click the Yes button when the User Account Control window appears.
3. Type the command DISM.exe /Online /Cleanup-Image /Restorehealth.
4. Now, press the Enter button.
5. Restart your computer and log into the Windows system.
6. Again right click on the Command Prompt and open as Administrator.
7. Type sfc /scannow and press the Enter button from your keyboard.

Try DISM and Windows 10 ISO Method

1. Open the web browser in your computer.
2. Visit the https://www.microsoft.com/en-us/software-download/windows10/.
3. Click to Download Tool Now tab from the web page.
4. Now launch the media creation tool and click Accept.
5. Select Create Installation media (USB flash drive, DVD or ISO file) for another PC.
6. Click on Next and select the language, edition, and architecture.
7. Click Next and select ISO file.
8. Proceed to click Next and select a location to save the Windows.iso file.
9. Click the Save button.
10. The media creation will download the Windows 10 iso file which will take some time.
11. When the download is over, extract or unzip the ISO file in the system.
12. Open the Sources folder and find install.wim file.
13. Right click on it and open menu.
14. Select Copy from the menu.
15. Go to the desktop and paste the copied file.
16. Now, create a new folder and rename it as  Mount.
17. Run the Command Prompt as Administrator.
18. Click yes when the User Account Control appears.
19. Now type the command “Dism /mount-wim /wimFile:%USERPROFILE%\Desktop\install.wim /index:1 /MountDir:%USERPROFILE%\Desktop\mount” and press the Enter button.
20. Now type the command “Dism /Online /Cleanup-Image /CheckHealth” and press the Enter button.
21. Type the command “Dism /Online /Cleanup-Image /RestoreHealth /Source:%USERPROFILE%\Desktop\mount\windows /LimitAccess” and press Enter.
22. Wait for 10 minutes and the progress will be stuck for 20% which is common and wait until it gets 100% completed.
23. Now, type the command “Dism /unmount-wim /Mountdir:%USERPROFILE%\Desktop\mount /discard” and press the Enter button.
24. If you find any error, then type the command “Dism /cleanup-wim” and press enter.
25. Now type the command sfc /scannow and press the Enter button.

With these methods, you can fix the problem that appears while running an SFC scan in the command prompt of the Windows 10 system. The error will be fixed when you follow the methods to troubleshoot the problem.

James Thomas is a Microsoft Office expert and has been working in the technical industry since 2002. As a technical expert, James has written technical blogs, manuals, white papers, and reviews for many websites such as office.com/setup.

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