Fix Chrome Certificate Error: Invalid Authority with Proxy Settings - Avoid Hanging Scripts with Python Requests Timeout-Remote Desktop Connection Failed – Port 3389 Blocked

Updated 2026-07-28 14:23:41macos-help
Fix Chrome Certificate Error: Invalid Authority with Proxy Settings - Avoid Hanging Scripts with Python Requests Timeout-Remote Desktop Connection Failed – Port 3389 Blocked
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.