Remove Pinned Programs List from the Start Menu

Start/Run/Regedit

"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer" "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\ Policies\Explorer"
Value Name: NoStartMenuPinnedList Data Type: REG_DWORD (DWORD Value) Value Data: (0 = default, 1= enable restriction) Create a new DWORD value, or modify the existing value, called 'NoStartMenuPinnedList' and edit the value according to the settings below.

Note:
This setting only applies to the Windows XP Start Menu, not the Classic Start Menu.
Exit your registry, you may need to restart or log out of Windows for the change to take effect.