Please Help me, I downloaded an opencart website from the host online, and I set it up on my system, i set up the database and everyother things, the front section of the site, that is the store works perfectly, but the admin section doesnt work, it gives error below are the errors, please does anyone know why?

Thanks, your quick response willl be appreiciated.


Warning: require_once(C:\inetpub\vhosts\worldmartafrica.com\httpdocs/system/startup.php) [function.require-once]: failed to open stream: No such file or directory in C:\xampp\htdocs\worldmart\admin\index.php on line 19

Fatal error: require_once() [function.require]: Failed opening required 'C:\inetpub\vhosts\worldmartafrica.com\httpdocs/system/startup.php' (include_path='.;C:\xampp\php\PEAR') in C:\xampp\htdocs\worldmart\admin\index.php on line 19