From the RootsWeb help desk
http://helpdesk.rootsweb.com/2007-07-06
FTP to the WWW server (users.rootsweb.com) is again experiencing problems. We apologize for the inconvenience.
This problem has been going on for awhile. In the meantime you can use RootsWeb's file manager
http://www.rootsweb.com/fileman/file_manager.cgi