Go to
http://amzn.com/kindleforpc and download the latest version (you said something about an "independent site" which kinda scares me). If that
doesn't work, something is seriously wrong.
Yelling (metaphorically speaking) at people who have not insulted you or accused you of being stupid is not the best way to make people speak politely the next time around though. You may want to take that chip off your shoulder.