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Fix 'Windows Activation Module Not Found' via Command Prompt - Fix CMD Service Unavailable Due to Group Policy-Resolve PowerShell 504 Error When Calling REST APIs

2026-06-13 19:24:38office-tools
Fix 'Windows Activation Module Not Found' via Command Prompt - Fix CMD Service Unavailable Due to Group Policy-Resolve PowerShell 504 Error When Calling REST APIs

Final checklist

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