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Fix 'PowerShell Command Not Found' on Mac - PowerShell Port Conflict with Firewall: How to Fix-How to Fix BitLocker Certificate Validation Error

Updated 2026-06-14 23:15:42browser-issues
Fix 'PowerShell Command Not Found' on Mac - PowerShell Port Conflict with Firewall: How to Fix-How to Fix BitLocker Certificate Validation Error
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.