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Fix 'Connection Refused' Error on localhost in CMD - Fix OneDrive Blank Screen After Update-Fix OneDrive Sync ‘Service Unavailable’ and ‘Permission Denied’ Errors

Updated 2026-06-14 06:16:17developer-tools
Fix 'Connection Refused' Error on localhost in CMD - Fix OneDrive Blank Screen After Update-Fix OneDrive Sync ‘Service Unavailable’ and ‘Permission Denied’ Errors
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.