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Fix 'Module Not Found' Errors in Command Prompt - Windows Activation Server Error: Step-by-Step Fix-Windows Defender Firewall Blocking Ports – How to Fix

Updated 2026-06-14 19:54:38cloud-software
Fix 'Module Not Found' Errors in Command Prompt - Windows Activation Server Error: Step-by-Step Fix-Windows Defender Firewall Blocking Ports – How to Fix
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.