missing file during installation

template files not found

on attempting to run

http://www.waltonsoundfest.com/wp-admin/install.php

Warning: require_once(/home/fhlinux137/w/waltonsoundfest.com/user/htdocs/wp-admin/includes/template.php) [function.require-once]: failed to open stream: No such file or directory in /home/fhlinux137/w/waltonsoundfest.com/user/htdocs/wp-admin/includes/admin.php on line 40

Fatal error: require_once() [function.require]: Failed opening required ‘/home/fhlinux137/w/waltonsoundfest.com/user/htdocs/wp-admin/includes/template.php’ (include_path=’.:/usr/share/pear-php5′) in /home/fhlinux137/w/waltonsoundfest.com/user/htdocs/wp-admin/includes/admin.php on line 40