Home Tutorials How to Scan Windows 10 Files with SFC/SCANNOW

How to Scan Windows 10 Files with SFC/SCANNOW

The System File Checker or sfc.exe is a utility in Microsoft Windows arranged in C:\Windows\System32 organizer. This utility permits users to scan for and restore degenerate Windows framework files.

In this post, we will see how to run System File Checker and furthermore see how to investigate SFC logs.

How to Scan Windows 10 Files with SFC/SCANNOW?

In Windows 10/8/7/Vista, the System File Checker is integrated with Windows Resource Protection, which ensures library keys and folders just as basic framework files. Any progressions are recognized to a secured framework file, the altered file is restored from a stored copy situated in the Windows folder itself.

So if any time of time in the event that you find that you have hacked some framework files or possibly applied some changes or replaced framework files, perhaps while customizing your Windows, and you currently find that your Windows isn’t working appropriately, you might want to consider running this utility first, before attempting a System Restore.

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To do as such, you should initially open a raised order brief window.

To run the System File Checker in Windows 10/8/7, type cmd in the Start search box. In the result, which appears, acceptable click on cmd and selects Run As Administrator.

You don’t run the Command Prompt as Administrator, you will see a message:

You should be an administrator running a console meeting so as to use the SFC utility

Subsequently, it is basic that you do as such.

Run SFC/scannow

In the order brief window which opens, type the following and hit Enter:


The SFC utility will run for some time and if any defilements are found, replace them on reboot.

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Windows Resource Protection couldn’t perform the mentioned Service or Start the Repair Service

  • You are unable to start the System File Checker, and you rather get the “Windows Resource Protection Could Not Start the Repair Service” mistake, you might want to check up if your Windows Modules Installer administration has been Disabled.
  • To do as such, type services.msc in start search and hit Enter. The status of this administration ought to be set to Manual.

Then again, you can likewise download our useful freeware utility FixWin and click on the System File Checker Utility button. This will run sfc.exe.

While running this tool, toward the end of the scan, you may see any of these messages – some of which could show errors: They could be:

  1. Windows Resource Protection didn’t find any trustworthiness infringement
  2. It found degenerate files and effectively repaired them
  3. Windows Resource Protection found degenerate files yet was unable to fix some of them
  4. It couldn’t perform the mentioned operation
  5. Framework File Checker SFC can’t repair ruined part file
  6. Windows Resource Protection found degenerate files however was unable to fix some of them
  7. Framework File Checker not working, won’t run or couldn’t repair
  8. Windows Resource Protection couldn’t start the repair administration.

This occurs, you may attempt to Run System File Checker in Safe Mode or repair the Windows Component Store utilizing DISM and see it works.

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Run System File Checker Offline or in Safe Mode or Boot-Time

Basically boot into Safe Mode and follow a similar method. Framework File Checker will run in Safe Mode too.

The/scan once and/scan boot punctuation has been suspended after Windows XP and doesn’t work on Windows 8 and later.

Follow this method you want to run System File Checker in Safe Mode, Boot Time, or Offline.

You can likewise use the sfc.exe program to help you investigate crashes that happen in the user-mode part of Windows 10, Windows 8.1, Windows 7, and Vista. These accidents might be identified with missing or harmed working framework files. To do as such, you may need to get to the log files.

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How to see the SFC log file?

The sfc.exe program makes the details of each check activity and each repair operation to the CBS.log file. Each sfc.exe program passage in this file has a [SR] tag. The CBS.log file is situated in the %windir%\Logs\CBS folder.

You can search for [SR] labels to help find SFC.exe program entries. To perform this sort of search and to redirect the results to a book file, follow these means:

  • Click Start, type cmd in the Start Search box, right-click cmd in the Programs list, and afterward click Run as administrator.
  • Type the following order, and hit Enter:
  • findstr/c:”[SR]” %windir%\logs\cbs\cbs.log > sfcdetails.txt
  • The sfcdetails.txt file incorporates the entries that are logged each time that the SFC.exe program runs on the PC.

How to decipher the SFC log file entries?

The sfc.exe program confirms files in groups of 100. In this way, there will be numerous groups of SFC.exe program entries.

Each area has the following arrangement: date-time entry_type details. For additional details on how to decipher, visit KB928228.

How do I run a System File Scan?

To run the System File Checker in Windows 10/8/7, type CMD in the search box.

In the result, which appears, ok click on the Command Prompt and select ‘Run as Administrator. ‘ In the CMD window which opens, type SFC/scannow and hit ENTER.

How do I scan for errors in Windows 10?

  • To start the scan, right-click on the Drive which you wish to check and select Properties.
  • Next, click on Tools tab and under Error-checking, click on the Check button.
  • This alternative will check the drive for file framework errors.
  • The framework detects that there are errors, you will be asked to check the disk.

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What does SFC Scannow really do?

SFC, which represents System File Checker, is a worked in authoritative tool to confirm the uprightness of working framework files and to repair files that are degenerate, harmed or changed.

The scan found issues and couldn’t repair them (Windows Resource Protection found degenerate files yet was unable to fix some of them).

What is the SFC order in Windows?

The SFC order is a Command Prompt order that can be used to check and replace significant Windows framework files.

Framework File Checker is a useful tool to use when you speculate issues with secured Windows files, like numerous DLL files.


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