If you enable this policy the "See all results" link will not be shown when the user performs a search in the start menu search box.If you disable or do not configure this policy the "See all results" link will be shown when the user performs a search in the start menu search box.
Policy path:
Start Menu and Taskbar
Scope:
User
Supported on:
Windows Vista only
Registry settings:
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer!NoSearchComputerLinkInStartMenu
Filename:
StartMenu.admx