If a file doesn’t match (e.g., a malware infection changed explorer.exe or a bad update corrupted ntoskrnl.exe ), SFC automatically replaces the bad version with the correct Microsoft-signed version.
Windows 11, like any other operating system, can experience issues and errors that can disrupt your workflow. One of the most effective ways to identify and fix corrupted system files is by running the System File Checker (SFC) tool with the /scannow option. In this post, we'll walk you through the steps to run sfc /scannow in Windows 11. sfc /scannow windows 11