Restore Corrupt System Files

[admin]

To restore corrupt OS files using the command line, you can use the command

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sfc /scannow 

This stands for "System File Checker" and is accessible through the Command Prompt when run as administrator;

sfc /scannow:
Scans your system for missing or corrupted protected system files.
Attempts to repair any issues found automatically using a cached copy of the files.

for more severe corruption, you can try

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dism /online /cleanup-image /restorehealth 

dism /online /cleanup-image /restorehealth:
This is a more powerful tool to repair system image files.
It will download fresh copies of system files from Windows Update if necessary to repair corruption.