I get a blank page during the installation using Mysql 4.1.x and PHP 5, what can I do ?

You must modify the Php's configuration by adding the following directive : register_long_arrays

For more information, you can read this page on Php.net

This Q&A was found on XOOPS Web Application System : https://xoops.org/modules/smartfaq/faq.php?faqid=350