What Is Sfc /scannow Windows 10?

SFC (System File Checker) /scannow is a built-in tool in Windows 10 that is designed to check and repair any corrupted or missing system files. This tool is especially useful when experiencing system crashes, errors, or malfunctions that cannot be traced to any hardware or software issues. SFC /scannow is a simple yet powerful troubleshooting method for ensuring the stability and reliability of your Windows 10 operating system.

When you use the SFC /scannow command in Windows 10, it will scan the system files for any corrupted files and replace them with their correct versions. It is an effective way to deal with issues arising from software conflicts, malware infections, and other factors that can affect the stability and performance of your system. This tool is readily accessible through the Command Prompt or PowerShell, making it an essential tool for any Windows 10 user who wants to ensure their system’s optimal performance.

What is SFC /Scannow Windows 10?

SFC /scannow is a Windows 10 command that is used to scan and repair system files. This tool checks and replaces any corrupted or missing system files on your computer to maintain its stability and security.

Some of the benefits of using SFC /scannow command include:

– The tool repairs damaged files without altering any of your personal files or data
– It helps to prevent system crashes, BSODs, and other issues caused by corrupted system files
– The tool verifies the integrity of the operating system files against the original Windows set up image to ensure its accuracy and consistency.
– It is a quick and straightforward process that can easily be navigated even by novice users.

Steps to run SFC /scannow command on Windows 10:

– Open Command Prompt as administrator
– Type “sfc /scannow” in the command prompt window
– Hit Enter
– Wait for the system to complete the scan. The process may take several minutes, depending on the size of your files.
– Once it is done, check the log file to find out if any repair or replacement was done on the system files or if there were any issues found.

Using SFC /scannow is a valuable tool to ensure that your Windows 10 operating system runs smoothly and without any errors. It is a process that is worth doing routinely to prevent larger issues down the line.


1. What is sfc /scannow command in Windows 10?
The sfc /scannow command stands for System File Checker and is a utility tool provided by Microsoft for Windows 10 users to scan and fix corrupt system files.

2. What does sfc /scannow do in Windows 10?
The sfc /scannow command in Windows 10 helps to detect and replace missing or corrupt system files. It thoroughly scans your system for any abnormalities and repairs any damages found.

3. How do I run sfc /scannow in Windows 10?
To run sfc /scannow on your Windows 10 PC, open Command Prompt as an administrator, type in “sfc /scannow” and hit Enter. Wait for the process to complete and then restart your computer.

4. Is it safe to run sfc /scannow in Windows 10?
Yes, it is safe to run sfc/scannow on your Windows 10 PC. The utility tool is provided by Microsoft to fix any corrupted or missing system files that can cause problems in your computer.

5. Can sfc /scannow fix all Windows 10 issues?
No, sfc /scannow cannot fix all Windows 10 issues. However, it’s the first step in fixing various system errors and can help resolve most of your system instability problems. If the issue persists, you may need to run additional troubleshooting steps or seek professional help.


In summary, SFC /scannow is a useful tool for users experiencing issues with their Windows 10 operating system. It allows you to troubleshoot and repair corrupted or missing system files, resulting in a smoother and more stable system performance. Running this command is easy and can be done in a matter of minutes, so be sure to give it a try if you’re experiencing any issues with your Windows 10 device. Keeping your system healthy and running smoothly is essential, and SFC /scannow is a great tool to help you achieve that goal.

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