Try going to the xampp/htdocs directory and rename the config.php. Connect through localhost and Moodle 1.5 will issue a number of prompts and will create a config.php file for you. Be sure you have created a blank moodle database before runnng the installation scripts.
Installing and upgrading help
The initial page for installation display a blank page
This discussion has been locked so you can no longer reply to it.