please provide some more details.
What version of Dreamweaver are using?
What is your OS?
What extensions, including the version number are installed?
Do you have your Dreamweaver site set up properly for dynamic development:
before starting the wizard, make sure you have created a blank PHP page that is saved to the site and the php page is open in Dreamweaver. Also make sure to create a Database connection:
At what point of the wizard does it crash? When setting up the wizard? or while creating the pages?