Windows 7 comes with new interface and many changes,and one of them is that Show Desktop button is moved to the end of the taskbar.
At the end of Windows 7 taskbar you will see a rectangle which is Show Desktop button.
Now if you dont like that button and wanna remove it then here is a small application for you.
All you need to do is just download this portable application and Run it As Administrator and click on Remove Show Desktop Button.
If in future you want your button back then again just Run it As Administrator and click on Add Show Desktop Button.
You may use following link to download it:-