How To Run System file checker Utility for Better Experience on Windows 10

What is a System file checker Utility?

If some of the Windows functions aren’t working or Windows crashes very frequently, you can use the System File Checker to scan Windows files and search for missing files.

In Windows 10 the System File Checker is inbuilt with Windows Resource Protection. Which protects registry keys files and folders also as critical system files. If the File checker detects any changes or modifications to a system files, the file which is modified is restored originally from a cached copy located within the Windows folder itself %WinDir% \system32\dllcache.

How to Run system file checker Utility On Windows 10?

To use this utility in Normal Windows, you need to open the Command Prompt in administrator mode.
  1. Click on the start menu and search Type “CMD” select command prompt from search results.
  2. Right-click on cmd and select Run As Administrator.
  3. Now When the command prompt opens type sfc /scannow command and press Enter.
  4. This can take few minutes.

You can see the text: Beginning system scan. This process takes some time.

The sfc /scannow command will scan for any changes or modifications to a system files, the file which is modified is restored originally from a cached copy at %WinDir% \System32\dllcache.

Here the %WinDir% represents the Windows operating system folder. For example, C:\Windows.

Note During the scanning process If you’re prompted to insert the Windows disc location, do so. Corrupt files must be replaced by fresh right ones.

Scan Results

Wait until the scanning process is complete, Once the scan completes, you will see one of the following messages:
  • Windows Resource Protection did not find any integrity violations: This indicates that your system doesn’t have any missing or corrupted files.
  • Windows Resource Protection could not perform the requested operation: This message means that there was a problem during the scan and an offline scan is required.
  • Windows Resource Protection found corrupt files and successfully repaired them. Details are included in the CBS.Log %WinDir%\Logs\CBS\CBS.log: You will get this message when the utility was able to fix the problem. Now, if you want you can view the
  • Windows Resource Protection found corrupt files but was unable to fix some of them. Details are included in the CBS.Log %WinDir%\Logs\CBS\CBS.log: In this case, you’ll need to repair the corrupted files manually.

After this process is done, the process simply reboots your windows to take effect the changes system file checker has done.

How to view the details of SFC scan results?

To see the details and logs of a System File Checker you need to access the log file CBS.Log. You’ll need to make a readable copy on your desktop since the file is in a different format:

Now start the command prompt as administrator, Now type the following command and press enter key.

findstr /c:"[SR]" %windir%\Logs\CBS\CBS.log >"%userprofile%\Desktop\sfclogs.txt"

This will create a sfclogs document in text document format (.txt) on your Desktop. Head over to your Desktop and you can see the sfclogs.txt located on the desktop. Open the file with your notepad. This file contains all the details of the scanned system files and information for files that couldn’t be repaired, you can then repair those files manually.

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