The module requires that your server is configured to support Silverlight. Please have a look at this article to see how to ensure that.
http://www.interactivewebs.com/DesktopModules/iCRMKnowledgeBase/ViewArticle.aspx?id=KBA-01067-8Q0ZNL&ModuleID=2349&TabID=1585&Title=Configuring%20IIS%20for%20Silverlight%20Applications
The essence is that a blank page usually indicates that IIS is not setup to run silverlight correctly.