Task Scheduler Not Starting After Windows Update: How to Fix - Fix Outlook Error 0x80004005: Step-by-Step Troubleshooting-Remote Desktop Black Screen Step-by-Step Guide
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.