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Fix PowerShell Authentication Failed Credentials Error - How to Restart Windows Defender After Update-Windows Search Throttling: How to Fix

Updated 2026-06-14 00:18:35macos-help
Fix PowerShell Authentication Failed Credentials Error - How to Restart Windows Defender After Update-Windows Search Throttling: How to Fix
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.