Windows 11 Check For Corrupted Files -

chkdsk C: /f /r

Open an admin terminal and run:

Once you see "The restore operation completed successfully," proceed to the next step. Step 2: Run the SFC (System File Checker) Scan

Some malware deliberately corrupts system files. Windows Defender (now Microsoft Defender) is excellent, but a second-opinion scanner like Malwarebytes Free adds another layer. windows 11 check for corrupted files

The tool scans all protected system files and replaces corrupted ones with a cached copy. In the same Administrator Command Prompt, type: sfc /scannow

Wait for the process to finish. It may take 10–30 minutes and might appear to pause at 20% or 40%—this is normal.

Wait for the scan to reach 100%. Windows will notify you if it found and fixed any issues. chkdsk C: /f /r Open an admin terminal

Corruption can be a symptom of a failing drive.

Click , type cmd , right-click Command Prompt , and select Run as administrator .

: You may need to restart and run the command again or check logs. Step 3: Check for Disk Errors with CHKDSK The tool scans all protected system files and

Before using other tools, it is recommended to run the tool. DISM prepares the necessary files for a successful repair by using Windows Update as a source.

If the OS is heavily corrupted, boot from a USB installation drive and select Repair your computer to access the Command Prompt.

You’ll be asked to schedule the scan on the next reboot. Type and restart.