How to check if system files are corrupted in Windows OS, & how to fix them.

If you are unsure that your system files are corrupted by any means say - malwares, ransomwares, viruses or any malicious codes, you can check if they realy are corrupt. Once you check those files, should you find them corrupted, we got a solution to fix this issue as well.


First, let's run System File checker to see if you have any corrupted system files.

  • Click Start
  • Type: CMD, from the results, right click CMD
  • Click 'Run as Administrator'
  • At the Command Prompt, type: sfc /scannow


This will check for any integrity violations and fix any corrupted operating system files.

Restart your system

Now run chkdsk:
1. Disable any security software before attempting to upgrade or do a clean install.
2. Make sure your computer is updated (devices and applications)
3. Disconnect any external devices before installing.
4. Check your hard disk for any errors:
Click Start
Type: CMD, from the results, right click CMD
Click 'Run as Administrator'
At the Command Prompt, type: chkdsk /r /f

When you restart your system, your computer will be scanned for errors and attempts will be made to correct them.

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About Author (Ekendra Lamsal)

This portal "ICT for Local Bodies" is written by various individuals - ICT Experts and ICT Volunteers working under MoFALD/LGCDP with an aim of integrating ICT at Local Governance. The author is this post is mentioned at the end of the article itself (with their Google+ profile alongside). Learn more about ICT4LB KMDB here.