you have to either use a 16x16 icon in the first place or have 2 versions
look at the MS KB there is an article which describes this for 3.0b

Arnon

>In my EXE, when I run it, I have this icon appearing on top of the
window.
>The same appears on the Windows taskbar. But, in Explorer, I see the Fox
>icon.
>
>How can I solve this?
>
>