530 Login authentication failed. Please contact your web hosting service provider for assistance.

I have only just signed up today and am trying to connect my FTP - Cyberduck and keep getting this message:530 Login authentication failed. Please contact your web hosting service provider for assistance. I know I am putting in the correct information. Can anyone point me in the right direction? Thanks

Have you read this support article: Unable to Connect to FTP! - ProFreeHost ?