Enable Script Execution in PowerShell on Windows 10 - Reinstall Microsoft Defender Antivirus on Windows 10-Safe Mode Guide for Windows Update Login Loop
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.