If you are caught in middle between changing your WordPress website/blog URL - Site Address (URL) setting in the WordPress then there is a simple solution available to override WordPress Site Address (URL) values that is saved in database. You need access to the wp-config.php file which can be found in the root of your WordPress install. Make sure you make a back up copy of this file before you open it. If you are using shared hosting, then please use control panel provided by hosting company or use FTP application such as FileZilla.
Open the wp-config.php file and add following lines to this config file where the “http://example.com/” is the URL you want to access.
define( 'WP_SITEURL', 'http://example.com/' );
define( 'WP_HOME', 'http://example.com/' );
This should solve your issue with WordPress Site Address URL. If this post helped you then please let me know.