Server local error (XAMPP)

Server error! The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there was an error in a CGI script. If you think this is a server error, please contact the webmaster. Error 500 localhost 06/11/16 08:19:53 Apache/2.2.9 (Win32) DAV/2 mod_ssl/2.2.9 OpenSSL/0.9.8i mod_autoindex_color PHP/5.2.6

Jadi ceritanya saya baru belajar php terus diawal lancar lancar aja, pas saya nerusin di tutorial login eh server local saya error. udah googling ga ada yg work, ada yg tau cara mengatasinya?