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Fix Microsoft Store 'Service Unavailable Permission Denied' - Fix PowerShell Hanging at Launch-Fix PowerShell 504 Gateway Timeout After Windows Update

2026-06-13 18:58:05developer-tools
Fix Microsoft Store 'Service Unavailable Permission Denied' - Fix PowerShell Hanging at Launch-Fix PowerShell 504 Gateway Timeout After Windows Update

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.