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Fix PowerShell High Memory Usage on Startup - Fix PowerShell 'Service Unavailable Permission Denied' Error-How to Fix Defender Failed to Start Error

Updated 2026-06-14 04:31:12developer-tools
Fix PowerShell High Memory Usage on Startup - Fix PowerShell 'Service Unavailable Permission Denied' Error-How to Fix Defender Failed to Start Error
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.