textpattern/index.php hidden textpattern/config.php 1 NOTE: Upgrades from versions below 4.2.0 will present this warning upon your very first login to the admin-side: Warning: Unknown column 'user_name' in 'where clause' select name, val from txp_prefs where prefs_id=1 AND user_name='' in /path/to/your/site/textpattern/lib/txplib_db.php on line xx This is expected behaviour for the very first login after an upgrade. Every further move in the admin side must not throw any error message.