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Fix Windows Defender Service Permission Denied Error - How to Fix 'Windows Update Cannot Connect to Internet' Error-How to Stop Windows Defender Real-Time Protection from Re-enabling

Updated 2026-06-13 14:33:55browser-issues
Fix Windows Defender Service Permission Denied Error - How to Fix 'Windows Update Cannot Connect to Internet' Error-How to Stop Windows Defender Real-Time Protection from Re-enabling
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.