How to Clear Task Scheduler Cache in Windows 11 - Troubleshooting HTTP 407 Proxy Errors in CMD-Resolve 502 Bad Gateway on Windows Update via DNS
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.