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Difficulty: EasyResolving System File Corruption and Driver Issues

A desktop technician suspects that critical Windows operating system files have become corrupted, leading to intermittent system crashes. Which command-line tool should the technician run first to scan and automatically repair all protected system files?

  1. sfc /scannowAnswer
  2. B
    chkdsk /r
  3. C
    dism /online /cleanup-image /checkhealth
  4. D
    gpupdate /force

Answer

Running the command 'sfc /scannow' is the primary tool to scan and automatically repair protected Windows system files.
Executing `sfc /scannow` launches the System File Checker utility, which scans all protected system files and replaces damaged or missing binaries with verified versions cached in the Windows component store.

Step-by-Step Solution

1
Identify the primary objective
The target task is scanning and automatically repairing corrupted protected Windows system files.
System instability caused by damaged OS files requires a tool that compares active system binaries against cached reference copies.
2
Evaluate administrative command line utilities
System File Checker (`sfc /scannow`) inspects protected OS files and replaces damaged ones using copies from `%WinDir%\System32\dllcache` or the component store.
This provides a direct, automatic resolution for Windows system file integrity issues.

Key Concept

System File Checker (SFC)
Estimated Time:45s
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Topics

Resolving System File Corruption and Driver Issues

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