Since I can't reproduce any of that, and it seems to work for everyone else, I'd suggest making sure there's nothing interfering with your internet connection.
You can use Fiddler to monitor the HTTP requests and maybe get some insight as to what's happening: http://www.telerik.com/fiddler
TheMovieDb Issue is still there .. suppose my firewall is blocking its access
what url/port exception should i add in my firewall so it wont block it..