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Fix 'Windows Update Command Not Found' in PowerShell - How to Fix 'File in Use' Error in PowerShell-Fix Outlook Add-In Conflict That Prevents Startup

Updated 2026-06-14 20:48:39developer-tools
Fix 'Windows Update Command Not Found' in PowerShell - How to Fix 'File in Use' Error in PowerShell-Fix Outlook Add-In Conflict That Prevents Startup
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.