Fixxed!

>To make background transparent behind the text under your desktop icons you must
>not have any web items on your desktop. Right click on your desktop, click "Properties",
>select the "Desktop" tab, at the bottom left of this tab click on "Customize Desktop",
>this will open a new window called "Desktop Items", in this new window select the
>"Web" tab and make sure that there are no items checked in the "Web pages:" frame.

thanks for the trying lads