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How to Troubleshoot PowerShell 404 Not Found Errors - Fix Windows Terminal High CPU and Memory-Fix 'Activation Service Unavailable' in Windows 10/11

Updated 2026-06-13 20:30:12developer-tools
How to Troubleshoot PowerShell 404 Not Found Errors - Fix Windows Terminal High CPU and Memory-Fix 'Activation Service Unavailable' in Windows 10/11
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.