Fix Windows Defender Port Already Allocated Error in Command Line - Fix Windows Defender Not Starting Automatically via Registry-Troubleshoot PowerShell High CPU Usage Post-Update

Updated 2026-06-14 01:02:05cloud-software
Fix Windows Defender Port Already Allocated Error in Command Line - Fix Windows Defender Not Starting Automatically via Registry-Troubleshoot PowerShell High CPU Usage Post-Update
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.