CricketMX.com

This program does a few handy little things. It lets you show, hide, minimize and maximize windows. That includes both visible and invisible windows. In fact... you'd probably be surprised how many windows there are open that you can't see

It's simple to use. Click the EnumWindows button to list all the windows. Right click a window in the list and play around with it. If you have the Visible/Invisible box checked it will display the visible windows. If unchecked it will display all the invisible windows.

As a warning, in general it's a good idea to not mess with the invisible windows unless you're trying to unhide a window that you've hidden. If you're playing around and say maxmize a window you could end up having a fullscreen blank window that you have no way of minimizing and be force to reboot to fix it (believe me I know)

if you get a pogram thta lists them all (as well as child windows) you can do some funny stuff to your task bar

not sure if there is a program for that, but doing it manually i have made the task bar do some really strange things

ok, so i got a little bored... lol

Right click and select "show unnamed" then have a look at the ones under the Shell_TrayWnd one... fun with the task bar