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Fix Microsoft Store 504 Error After Windows Update - Troubleshooting PostgreSQL Connection Refused Error-Resolve Update Error 0x80070643 in Defender

Updated 2026-06-13 20:26:21macos-help
Fix Microsoft Store 504 Error After Windows Update - Troubleshooting PostgreSQL Connection Refused Error-Resolve Update Error 0x80070643 in Defender
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.