ftp server not working

[Ultimate_Fusion]

please select an empty port from the server options

this message comes up when I try and start the server
i am using fastream Netfile
i have tried lots of different ports but no luck

[PH/\T B,5TARD]

Not used faststream Netfile so I can't help you with that, I use BulletProof FTP which has worked seamlessly for years. Servu is equally as good.
Both are easy to configure and work with.