#How repair corrupted files how to#
#How repair corrupted files update#

To do this,В right-click the Start button and select вЂњCommand Prompt (Admin)вЂќ.ДЄt the Command Prompt, type the following command and press Enter to run a full system scan and have SFC attempt repairs: sfc /scannow

Just remember that if you start Windows normally, you will need to open the Command Prompt with administrative privileges. However you get to the Command Prompt-normally, Safe Mode, or recovery environment-youвЂ™ll use the command the same way.

#How repair corrupted files how to#

RELATED: How to Use Safe Mode to Fix Your Windows PC (and When You Should) If Windows wonвЂ™t start normally, you can try starting it in Safe Mode or in the recovery environment by booting from your installation media or recovery disc.

If Windows will start normally, you can run it from an administrative command prompt. You can use the SFC command as long as the computer itself will start. Even if the SFC command doesnвЂ™t repair any files, running it will at least confirm that no system files are corrupted and then you can continue to troubleshoot your system with other methods. SFC works by scanning for and replacing system files that are corrupt, missing, or changed. Run the SFC command whenВ troubleshooting a buggy Windows system. RELATED: How to Scan for (and Fix) Corrupt System Files in Windows Run the SFC Command to Repair System Files

#How repair corrupted files update#

On Windows 7 and earlier, Microsoft offers a downloadable вЂњSystem Update Readiness ToolвЂќ instead. If a file has been modified, it will automatically replace that file with the correctВ version.В If the SFC command doesnвЂ™t work, you can also try the Deployment Image Servicing and Management (DISM) command on Windows 10 or Windows 8 to repair the underlying Windows system image. The System File Checker (SFC) tool built into Windows will scan your Windows system files for corruption or any other changes. RELATED: Everything You Need To Know About the Blue Screen of Death If Windows is experiencing blue-screen or other crashes, applications are failing, orВ some Windows features just arenвЂ™t working properly, there are two system tools that might be able to help. If a file has been modified, it will automatically replace that file with the correct version. The System File Checker tool built into Windows can scan your Windows system files for corruption or any other changes.