نمیتونم وارد پیشخوان بشم

Warning: require(C:\xampp\htdocs\wordpress\wp-includes/class-wp-hook.php): Failed to open stream: No such file or directory in C:\xampp\htdocs\wordpress\wp-includes\plugin.php on line 25

Fatal error: Uncaught Error: Failed opening required ‘C:\xampp\htdocs\wordpress\wp-includes/class-wp-hook.php’ (include_path=’C:\xampp\php\PEAR’) in C:\xampp\htdocs\wordpress\wp-includes\plugin.php:25 Stack trace: #0 C:\xampp\htdocs\wordpress\wp-settings.php(52): require_once() #1 C:\xampp\htdocs\wordpress\wp-config.php(102): require_once(‘C:\\xampp\\htdocs…’) #2 C:\xampp\htdocs\wordpress\wp-load.php(50): require_once(‘C:\\xampp\\htdocs…’) #3 C:\xampp\htdocs\wordpress\wp-login.php(12): require(‘C:\\xampp\\htdocs…’) #4 {main} thrown in C:\xampp\htdocs\wordpress\wp-includes\plugin.php on line 25

این خطارو بهم میده چکارکنم