Fix Windows Security 'Permission Denied' Error When Settings Won't Open - Fix Outlook Crashing on Windows 10: Step-by-Step Guide-Troubleshooting PostgreSQL Connection Refused (port 5432)

Extra verification checklist

• Restart the affected app after changing permissions or configuration files.
• Test the same workflow in a clean browser profile or a temporary user account.
• Compare the result on another network if the error may be connection related.