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-- (deprecated) Microsoft Windows OS (XP/NT/Vista)
---- IE Won't Be Bundled With Windows 7 In Europe
kaled - 4:17 pm on Jun 13, 2009 (gmt 0)Thread source:: http://www.webmasterworld.com/microsoft_windows_os/3931984.htm
You are correct, the html help system requires all but Internet Explorer's front end/user interface. Other parts of the OS doubtless rely on IE libraries, etc. even if those libraries are no longer designated as belonging to IE.
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