Windows Security 404 Not Found: Setup and Fix Guide - How to Resolve Outlook Error 0x80004005-How to Fix Command Prompt Ping Request Timed Out
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.