How to Fix Remote Desktop Error Code 0x4 - Resolve Nginx 404 with try_files Directive-Windows Update Hanging on Pending Install Fix
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.