Troubleshooting Remote Desktop Blank Screen Due to Latency - How to Bypass 502 Bad Gateway in PowerShell Script-How to Add a Public Key to authorized_keys File
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.