Seems to be the same as in Windows 7: http://help.aol.com/help/microsites/microsite.do?cmd=displayKC&docType=kc&externalId=16358 explains it. Right click and choose the behaviour you want.
Kees
I have Task Manager running all the time, but I don't want the icon in the system tray when it's not hidden, because it's extra clutter. How to remove it..?

Chowhound
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