How to Repair Corrupted System Files on Windows 11

Important system files of your Windows installation can be damaged or lost. Fortunately, there are two built-in Command Prompt tools that can help with this. Deployment Image Service and Management can repair the system image and the System File Checker can then fix the problems.

In principle, there are no risks associated with the process, but it is always recommended to back up your system regularly. To get started, you must open Command Prompt as an administrator, and this can be done by right-clicking on the icon in the Start menu.

The DISM consists of three commands: CheckHealth can quickly detect damage, ScanHealth performs a comprehensive scan and RestoreHealth can solve problems. Copy one of the three lines below, paste it and hit Enter to run the command. This may take several minutes.

DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth 

The last step automatically downloads and replaces corrupted files from Windows Update servers if necessary. However, sometimes this does not work and it is necessary to provide the correct files manually. go to the Windows website and download the correct ISO image, it is important to choose the same version and language that you are currently using. Then enter the command below with the path of your download file.

 DISM /Online /Cleanup-Image /RestoreHealth /[bestandspad]

Then, these files are used to perform repairs. To solve the problems caused by the wrong setup of your system, you can use the command below.

SFC /scannow

Any errors are now checked and fixed. If you are interested in the logs, they can be found by entering one of the commands below.

%windir%/Logs/CBS/CBS.log
%windir%\Logs\DISM\dism.log

source:
Windows Central

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