Ben,
I don't know that class, but ftp usernames and passwords are case sensitive. You might verify that you are using the right case and that the class isn't modifying it.
>I'am new with FTP and
>I try touse the FTP Sevice Class made by Robert Abram to send a file.
>I allways get this message
>Error(12014) Error_internet_Incorect_password
>I have double check, and i use the good password