Using System File Checker in Windows 10

System File Checker is a utility in Windows 10 that checks for problems with files on your computer. To run it, follow these steps:

  1. Make sure you've installed the latest updates for Windows 10, and then restart your machine. To find out more, read Update Windows 10.

  2. In the search box on the taskbar, type Command Prompt, and right-click or press and hold Command Prompt (Desktop app) from the list of results. Select Run as administrator, and then select Yes.

  3. Type DISM.exe /Online /Cleanup-image /Restorehealth (note the space before each "/"), and then press Enter. (Note: This step may take a few minutes to start and up to 30 minutes to complete.)

  4. After you see a message that says "The operation completed successfully," type sfc/scannow (note the space between "sfc" and "/") and press Enter.

  5. After you see a message that says, "Verification 100% complete," type exit.

More info about System File Checker

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