Enable Windows Search to Start with Windows 10 - Fix BitLocker SSL Certificate Permission Denied Error-How to Troubleshoot Outlook 504 Gateway 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.