By using this tip
you can hide the useless icons on the bottom of your system screen
(right end of the taskbar). Because some of the icons will useful for
you on system tray area but may be others list of icons not useful for
you so you can hide all extra icons very easily. Many programs that run
in the background on your computer but you are not using regularly such
as antivirus software, volume controller, backup applications. The
system tray can get cluttered with useless icon, so you may not wants to
display them on the tray.
To
hide those icons that you do not use regularly, follow these steps.
First of all right-click on the windows taskbar and choose Properties.

Here a new dialog box will appear with title "Taskbar and start Menu
Properties" and then click on
"Customize..."button that appears on
lower right portion.

Now again a new dialog box will appear with title "Customize
Notifications".

Under
Current Items area, select the program that you want to change the
behavior. On the
right of the program name a drop-down menu appears
for example "Always hide, Always show and Hide when inactive".

You choose to hide the programs Icon, when it is inactive, to always
hide the icon, or to always show it.
Select the option
you want and click on OK button, then again click on OK button to finish
the process.