Problem Installing Visual Studio 2008 64 on Vista 64bit

I have Q9300, 6GB computer with Vista 64 bit machine.

I am having problem installing Visual Studio 2008 x64.

per knowledge of 

http://grumpywookie.wordpress.com/2008/02/12/problems-installing-visual-studio-2008-on-vista-x64/

I have uninstalled Hotfix for Windows (KB110806).

installing .NET 3.5 again just by itself.