Browsing Issue in Website Written in WPF

HI,
Friends,Following Website has Written in WPF .this website is working fine at some of the Users .but this is not working at MY PC .it Says Page Cannot be Displayed .any Idea .
let me know please. Following is the URL for the WPF Website .

http://user/campaign/public/f8a056ec...d4fd6c2ba6004d