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Fix Microsoft Edge Sync Error 0x80070424 - Fix Chrome Black Screen on Startup Due to Hardware Acceleration-Fixing Nginx Upstream Connection Refused and Permission Denied

Updated 2026-07-28 21:15:36cloud-software
Fix Microsoft Edge Sync Error 0x80070424 - Fix Chrome Black Screen on Startup Due to Hardware Acceleration-Fixing Nginx Upstream Connection Refused and Permission Denied
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.