When I click on a link to download a sample page, it looks like it starts to download, but a blank screen appears.
This seems to be a browser bug involving older versions of Acrobat Reader and Microsoft Internet Explorer. Make sure you are using the latest version of Acrobat Reader. You can download it for free here.
http://www.adobe.com/products/acrobat/
readstep2.html
Upgrading to the latest version of the Reader should fix the problem. If it doesn't, here is a workaround.