"Warning: require_once(C:/wamp/www/site/includes/version.php) [function.require-once]: failed to open stream: No such file or directory in /home/matrixwo/public_html/includes/joomla.php on line 71
Fatal error: require_once() [function.require]: Failed opening required 'C:/wamp/www/site/includes/version.php' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/matrixwo/public_html/includes/joomla.php on line 71
I'm no Joomla user, but I suspect there is some configuration required for Joomla to use the correct paths. For more information, have a look at the Joomla documentation and perhaps try asking on a forum specifically for Joomla development.