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Fix Windows Defender 'Cannot Connect, Permission Denied' Error - Fix Windows Defender Not Running or Stuck Loading-PowerShell Profile Not Loading After Update – Fix Guide

Updated 2026-06-14 06:13:56developer-tools
Fix Windows Defender 'Cannot Connect, Permission Denied' Error - Fix Windows Defender Not Running or Stuck Loading-PowerShell Profile Not Loading After Update – Fix Guide
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.