How fixing slow apps by repairing corrupted system files with sfc /scannow.

  🛠️ Repair System Files with SFC If Windows feels sluggish or apps misbehave, corrupted system files could be the caus...

 

🛠️ Repair System Files with SFC

If Windows feels sluggish or apps misbehave, corrupted system files could be the cause. Follow these steps to repair them with SFC.

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Step 1 — Open Command Prompt as Administrator

1. Press Windows key + S, type cmd.
2. Right‑click Command Prompt → select Run as administrator.

Open an elevated Command Prompt.

Step 2 — Run the SFC Command

In the Command Prompt window, type the following command and press Enter:

sfc /scannow

Run sfc /scannow to start the system file check.

Step 3 — Wait for the Scan to Complete

• Windows will check for corrupted or missing system files.
• This usually takes 10–20 minutes.

Let the verification reach 100% without closing the window.

Step 4 — Restart Your Computer

When the scan completes, restart your PC to apply the fixes.

Reboot to finish applying repairs.

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Tip: If SFC reports errors it can’t fix, run DISM /Online /Cleanup-Image /RestoreHealth in an elevated Command Prompt, then run sfc /scannow again.