Are you sreu about this? There's been some discussion here about the
ability to change languages even for the UI display that seems to be
supported by Microsoft documents on changing MUI's.
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Install a display language
Applies to all editions of Windows Vista.
You can change the language Windows uses to display text in wizards,
dialog boxes, menus, and other items in the user interface. Some
display languages are installed by default; others require you to
install additional language files. [ ... ]
http://windowshelp.microsoft.com/Win...fe71-cca6-4965
-ab39-97f92ca1a03f1033.mspx
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Whether this "all versions" applies to Factory installed versions I
don't know.