Internal Server Error when install Wordpress

[Zonta #2]

This is an error I gothttp://macslab.com/events/wp-admin/install.phpI followed instruction here to empty .htaccess filehttp://www.pupuweb.com/blog/fix-wordpress-internal-server-error/I also set 755 to all files and foldersI am sure the database connection works because if I changed it, it would say database connection error. So the only 2 things don't work is file/folder permission or phpinfo()http://macslab.com/events/phpinfo.phpCan someone help?Thanks