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Fix Windows Defender Firewall Blocking Internet Connection - How to Fix Windows Security Offline Installer Error 0x80070643-How to Reset Windows Search Token for Outlook

Updated 2026-06-14 03:59:45developer-tools
Fix Windows Defender Firewall Blocking Internet Connection - How to Fix Windows Security Offline Installer Error 0x80070643-How to Reset Windows Search Token for Outlook
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.