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Fix Microsoft Store Sync Issues on Mac - Troubleshooting Visual Studio Installer Error 0x80070643-Chrome 504 Gateway Timeout Error on Windows 10: How to Fix

Updated 2026-06-16 03:53:26macos-help
Fix Microsoft Store Sync Issues on Mac - Troubleshooting Visual Studio Installer Error 0x80070643-Chrome 504 Gateway Timeout Error on Windows 10: How to Fix
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.