The display language
is what Windows 7
and Vista Ultimate
editions use to display text in wizards, dialog boxes, menus, and other items in the user interface (UI).
This will show you how to force whatever current system display language (Option Two at link)
set by an administrator
to overwrite and ignore the display language set by users in their user accounts. This can be handy if you have more than one language pack
You must be logged in as an administrator
to be able to do this tutorial.