Fix ERR_CERT_AUTHORITY_INVALID on Localhost - Running Scripts in VS Code: Fix Permission Denied-VS Code IntelliSense Not Working for Java: Fix Guide

Updated 2026-07-28 13:34:25office-tools
Fix ERR_CERT_AUTHORITY_INVALID on Localhost - Running Scripts in VS Code: Fix Permission Denied-VS Code IntelliSense Not Working for Java: Fix Guide
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

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.