installation issue :(

I am using byethost free hosting for hosting my first wordpress blog. I am having problem with installing wordpress. i have the following folders in my file manager. weightlossceleb –>htdocs –> wordpress
all wordpress files are in wordpress folder. Now when i run the installation file at
http://www.weightlossceleb.com/htdocs/wordpress/wp-admin/install.php

or
http://www.weightlossceleb.com/wordpress/wp-admin/install.php
it doesn’t installs the script
gives a database error at 2nd link
any suggestions