A nice example from the field, we are implementing Google Chrome but do not want the lnk in the taskbar nor a shortcut on the desktop. After doing some Google searching we found the solution. You can delete the following key HKEY_LOCAL_MACHINE\Software\(Wow6432Node\)Microsoft\Active Setup\Installed Components\{8A69D345-D564-463c-AFF1-A69D9E530F96} with all it's value's with a GPP. When a user already logged on he or she has to delete the shortcut on the desktop and unpin the google chrome lnk itself but for those who did not login already they will not get a shortcut on the desktop nor a pinned item on there taskbar.