Warning: require(./tdbb/wp-blog-header.php): failed to open stream: No such file or directory in C:\xampp\apps\wordpress\htdocs\index.php on line 17

Fatal error: require(): Failed opening required './tdbb/wp-blog-header.php' (include_path='C:\xampp\php\PEAR') in C:\xampp\apps\wordpress\htdocs\index.php on line 17