The User Registration solution pack is a PHP application, it must be hosted on a PHP server.
in the document you sent, the address in the address is opening the page from your file system:
file:///C:/2010_03_21_HMF_Websitee/User_Reg/....
You cannot browse to a PHP page using the file system, it will not use the php processor to process the php code this way.
You need to uplaod the the php files to you web hosting providers server, and access the files through your web address:
UserLogin.php