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Fix Windows Activation Invalid Configuration Error - How to Delete Outlook Cache and Rebuild It Safely-How to Allow PowerShell Through Firewall for Localhost

2026-06-14 03:32:38developer-tools
Fix Windows Activation Invalid Configuration Error - How to Delete Outlook Cache and Rebuild It Safely-How to Allow PowerShell Through Firewall for Localhost

Final checklist

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