I have dreamweaver and the problem is that I have is that it is not installing. After double-clicking the file that i downloaded it will extract all the files for installation but then when it launches in just opens a windows that says "Adobe Setup" and then disapears and nothing else happens. Please can anyone help me I really need this. Thanks in Advance to everyone who replies.
ps. plz give a step by step guide on how do do this if you can

Here is a good starting point ...

http://www.adobe.com/cfusion/webforums/forum/index.cfm?forumid=12

Hope this helps.