http://bugs.winehq.org/show_bug.cgi?id=6920
--- Comment #8 from Lei Zhang thestig@google.com 2008-04-21 10:41:41 --- I doubt Wine is protecting iexplorer.exe in any way. Perhaps the installer detects the OS version and acts differently when it's set to 2000 or XP. Just for references, where are you downloading IE 6 from?