Fix Windows Security Antivirus Not Turning On - Fix 'Access Denied' When Running PowerShell Scripts-Fix Chrome DNS Error 105 (ERR_NAME_NOT_RESOLVED)

Updated 2026-06-14 19:28:46office-tools
Fix Windows Security Antivirus Not Turning On - Fix 'Access Denied' When Running PowerShell Scripts-Fix Chrome DNS Error 105 (ERR_NAME_NOT_RESOLVED)
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.