Try the following:
- Turn the Antivirus OFF
- Uninstall PHNL. Reply YES to the question "Do you want to remove the Addon Manager?"
- Reinstall PHNL. Don't launch FS9 yet
- Configure your antivirus to ignore the MODULES\bglman.dll file in the FS9 folder. Or the whole MODULES folder.
- Turn the Antivirus back ON, then launch FS9.