Studio Theme - Installation problem

I have tried installing the Studio theme 3 times and am coming up against the following errors time and time again. I'm really sorry, this is completely new to me and i'm not entirely sure why. Any help would be much appreciated.

$Warning: include_once(/home/haferro1/public_html/xmas/wp-content/mu-plugins/update-notifications.php) [function.include-once]: failed to open stream: Permission denied in /home/haferro1/public_html/xmas/wp-settings.php on line 150

Warning: include_once() [function.include]: Failed opening '/home/haferro1/public_html/xmas/wp-content/mu-plugins/update-notifications.php' for inclusion (include_path='.:disappointed:usr/lib/php:disappointed:usr/local/lib/php') in /home/haferro1/public_html/xmas/wp-settings.php on line 150

Warning: Cannot modify header information - headers already sent by (output started at /home/haferro1/public_html/xmas/wp-settings.php:150) in /home/haferro1/public_html/xmas/wp-includes/functions.php on line 830

Warning: Cannot modify header information - headers already sent by (output started at /home/haferro1/public_html/xmas/wp-settings.php:150) in /home/haferro1/public_html/xmas/wp-includes/functions.php on line 831