WordPress may not work after changing the site URL due to incorrect database entries or mismatched settings. Fix this by updating the site URL in the database or wp-config.php.
Fix a broken WordPress site by checking for plugin or theme conflicts, restoring a backup, repairing the database, or reinstalling core WordPress files.
If WordPress password reset isn't working, check email settings, ensure SMTP is configured, test plugins for conflicts, or reset passwords directly in the database.
To fix the "Updating Failed: The Response is Not a Valid JSON Response" error in WordPress, disable plugins and switch to a default theme. This error often confuses WordPress users.
"There has been a critical error on this website" means the site can't be accessed due to a severe issue. Immediate attention is needed to resolve this problem.