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Windows Defender Real-Time Protection Registry Fix Guide - Troubleshooting Chrome Sync Stuck on Waiting-How to Resolve Nginx Upstream Refused Connection

Updated 2026-07-28 10:01:32windows-fixes
Windows Defender Real-Time Protection Registry Fix Guide - Troubleshooting Chrome Sync Stuck on Waiting-How to Resolve Nginx Upstream Refused Connection
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.