If you encounter these issues, you can use built‑in Windows repair tools—Deployment Image Servicing and Management (DISM) and System File Checker (SFC)—to scan for corrupted system files and restore missing or damaged Windows components, helping to return your system to a stable, working state.
Over the years, there has been quite a deal of discussion over which order the two system repair commands, sfc /scannow and DISM /Online /Cleanup-Image /RestoreHealth, should be run when trying to resolve issues. First, you’ll need to understand what each command does.
Use sfc /scannow in Command Prompt to scan and repair Windows files for system integrity issues. Ideal for Windows 11, 10, 8, 7, and Vista fixes.
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Use DISM and SFC to repair Windows 11 installation by fixing corrupted system files to restore your installation to a healthy state.
How to use DISM and SFC to fix problems on Windows 11
Run the SFC command when troubleshooting a buggy Windows system. SFC works by scanning for and replacing system files that are corrupt, missing, or changed. Even if the SFC command doesn'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.
How to Repair Corrupted Windows System Files with the SFC ... - How-To Geek