This is the first time ,i am trying to install ubuntu. I download the ubuntu 12.04 64 bit image. I am trying to install from win 7.
I follow the steps which described at http://www.ubuntu.com/download/desktop/install-ubuntu-with-windows
After the step 5 , installation screen 6 doesn't appear which is completing the ubuntu setup. After step 5 , installation closing itself without any warning.