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Fix Microsoft Store App Installation Errors on Mac - Troubleshooting Outlook Setup Failure 0x80004005-Command Prompt Proxy 502 Error Fix

Updated 2026-06-16 11:37:32browser-issues
Fix Microsoft Store App Installation Errors on Mac - Troubleshooting Outlook Setup Failure 0x80004005-Command Prompt Proxy 502 Error 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.