Remote Desktop 502 Bad Gateway Fix: Practical Checklist - How to Fix Chrome High CPU Usage Caused by Extensions-Fix Windows Security Error 0x80072efd (Proxy Issue)
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.