Check your wp-config.php.
Perhaps you have used IIS as server. You may use Xampp, which includes apache, phpMyAdmin, MySQL. Using Xampp as local server may solve your problem.
I'm not new to X10 since I've used my brother's account for maintaining his website and made some posts and created some web templates for others.
Now I'm in x10 with my official nick and this is my first post.