don't giv an example of a 1gig difference found. please post the screen shots of your problem by simulating a before and after record of your drive partition space.
deleting files only delete the file name address so that windows will not be able to access the data.
let me tell you a story:-
a bulldozer has a driver that is programme to run down any house without a door. a postman will deliver and collect post and mail at the door. as such all new houses built in the neighbour hood has to have a door inorder to communicate with one another and to prevent their houses from been run down.
one day one family decided to move and after taking all their precious belongings they removed the door and left. the next day the bulldozer came and see ing no door with the empty house the operator ran it down.
