I have tried to find the icon again at the bottom of the screen but it was not there, therfore had to click on purchase again and only then the icon apeared yet with ( OSX MOUNTAIN LION- WAITING). It stayed waiting for over 30 minutes! so I googled the symptom to check if its normal and found that I should resume it from Purchased applications.
On purchased application it was there yet with (An error has occured - in red color). Pressing download only turned the download color to light grey and back to dark grey with no change.
I tried to Cancel the OSX icon at the bottim since it was still waiting, and it worked
Still need to make sure that Itunes will not charge me twice since I pressed buy more than once in 2 days.
I am asking as uptill today my card is not charged for any of the OSX yet.
NB. I did not finish the download yet - will do it over 3 days at night as internet is very slow here.