Problems installing

Warning: require(/home/serpmass/public_html/wp-includes/load.php) [function.require]: failed to open stream: Permission denied in /home/serpmass/public_html/wp-settings.php on line 21

Fatal error: require() [function.require]: Failed opening required ‘/home/serpmass/public_html/wp-includes/load.php’ (include_path=’.:/usr/lib/php:/usr/local/lib/php’) in /home/serpmass/public_html/wp-settings.php on line 21

thats the msg i get ?? please help