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Fix Windows Defender Permission Denied Access Error - Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Error-How to Fix Windows Activation Service Not Running or Disabled

Updated 2026-06-13 14:36:46browser-issues
Fix Windows Defender Permission Denied Access Error - Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Error-How to Fix Windows Activation Service Not Running or Disabled
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.