Fix Microsoft Teams 502 Bad Gateway Error by Clearing Cache - Outlook Stuck on Loading Profile – How to Fix-Microsoft Teams Startup Failure: Task Manager Troubleshooting
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.