How to Fix PowerShell Execution Policy Restricted on Windows 11 - How to Resolve Windows Store Error 0x80073cf9-Windows Defender Conflict with Third-Party Antivirus: Solutions

Updated 2026-06-15 20:51:47macos-help
How to Fix PowerShell Execution Policy Restricted on Windows 11 - How to Resolve Windows Store Error 0x80073cf9-Windows Defender Conflict with Third-Party Antivirus: Solutions
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.