If you get this error from Drupal:
The following error must be resolved before you can continue the installation process:
Multibyte string input conversion in PHP is active and must be disabled. Check the php.ini mbstring.http_input setting. Please refer to the PHP mbstring documentation for more information. (Currently using Unicode library Error)
It can be fixed by adding the following lines to your settings.php file in the PHP settings section:
/* PHP.ini overrides */ ini_set('mbstring.http_input', 'pass'); ini_set('mbstring.http_output', 'pass');
Thank you to Henrik for fixing this for me, Surftown accounts need this setting in order for Drupal 5 to work.