How to repair corrupted system files

repair system files, SFC scan, DIY Windows repair
  • By Admin
  • May 09, 2025

How to Repair Corrupted System Files

Sometimes apps on your computer may crash, files won’t open, or it may run very slow and that too with glitches. This can happen when important system files are corrupted or broken. Don’t worry! You don’t always need a technician. This is a simple guide to help you repair system files using easy DIY Windows repair steps.

What Are System Files?

System files are important parts of Windows that help your computer work properly. If these files are damaged or lost, your computer may not behave normally.

Signs of Corrupted System Files

  • Your computer freezes or crashes
  • Programs don’t open correctly
  • You see blue screen errors
  • Some settings stop working

If you see any of these problems, it’s time to repair system files.

Use SFC Scan to Repair System Files

One of the best tools in Windows to fix problems is the SFC scan. “SFC” stands for System File Checker. Here’s how to run an SFC scan:

  1. Click on the Start Menu and type Command Prompt
  2. Right-click on it and choose Run as administrator
  3. In the black window, type: bash, CopyEdit, sfc /scannow
  4. Press Enter
  5. The scan will begin. It may take 10–15 minutes
  6. If problems are found, the SFC scan will repair system files automatically

This is the most common DIY Windows repair trick.

What If SFC Scan Doesn’t Fix It?

Sometimes, the SFC scan cannot fix everything. You can try another command called DISM:

  1. Open Command Prompt as administrator
  2. Type this command:
  3. swift
  4. CopyEdit
  5. DISM /Online /Cleanup-Image /RestoreHealth
  6. Press Enter
  7. Wait for it to finish (it may take 20–30 minutes)
  8. Then run the SFC scan again

These steps will fix most file problems through DIY Windows repair.

Experts' Tips

Below are the experts' tips that will keep your PC in an excellent working condition.

  • Always update Windows to avoid errors
  • Don’t turn off your PC during updates
  • Use antivirus to protect your system files

Knowing how to repair system files using tools like the SFC scan helps you fix problems without needing help. Try these DIY Windows repair steps and make your PC healthy again!

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