How to Fix 'Access Denied' When Setting Windows Security Permissions - Troubleshooting Windows Update Error 0x80070005-Windows Terminal 404 Error When Opening Command Prompt

Updated 2026-06-14 08:13:24cloud-software
How to Fix 'Access Denied' When Setting Windows Security Permissions - Troubleshooting Windows Update Error 0x80070005-Windows Terminal 404 Error When Opening Command Prompt
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.