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Fix Microsoft Store Setup Stuck on Loading Screen - Fix Windows Defender Authentication Failed Error in Windows 10-How to Fix Windows Activation Service Not Running or Disabled

2026-06-14 10:36:39developer-tools
Fix Microsoft Store Setup Stuck on Loading Screen - Fix Windows Defender Authentication Failed Error in Windows 10-How to Fix Windows Activation Service Not Running or Disabled

Final checklist

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

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