Fix Microsoft Teams High Memory Usage & Not Responding - Repair Search Index Using Windows Troubleshooter-How to Configure Teams Backup with Retention Policies
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.