Read: How to use System File Checker to replace a single corrupted file.

Before you read on, you might want to first check our post Corrupted files in Windows: Explanation, Prevention & Recovery.

How to fix a Corrupted System File in Windows 11/10

First of all, you need to open the following log files and identify which particular file has been corrupted:

%userprofile%\Desktop\sfcdetails.txtCBS.Log %WinDir%\Logs\CBS\CBS.log

You will be able to see the details there. Once you know the name and path of the file, you will have to Take ownership of this corrupted file. To do that, open an elevated command prompt,and execute the following command: Here, FileNameAndPath represents the path and the file name of the corrupted file. For example, it it is wuapi.dll that has been corrupted then type: Next you have to grant administrators full access & control to this file. To do that, open an elevated command prompt,and execute the following command: In our example it will be: Read: How to fix or repair corrupted or damaged Registry

How to replace a corrupted Windows system file with a good copy

Now, you need to replace the corrupted file with a good copy. To do this, open an elevated command prompt, and execute the following command: Here, NewFileLocation is the location where you have saved the good file. So if you have saved it to your Desktop, in our example it will be: This should help! Read: Corrupted files in Windows: Explanation, Prevention & Recovery

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