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You can change the general settings URL if you have access to the database by executing the SQL statement:

UPDATE wp_options 
SET option_value = replace(option_value, 'http://www.oldurl', 'http://www.newurl')
WHERE option_name="home" OR option_name="siteurl";

‘http://www.oldurl‘ — Change this to the URL you set in general settings

‘http://www.newurl‘ — Change this to what you want the URL to be