http://bugs.winehq.org/show_bug.cgi?id=11139
--- Comment #8 from Austin English austinenglish@gmail.com 2008-01-14 16:36:27 --- trace:mshtml:install_from_unix_file "/usr/local/bin/../lib/../share/wine/gecko/wine_gecko-0.1.0.cab" not found
Can you try moving it to /usr/local/share/wine/gecko/wine_gecko-0.1.0.cab and see if that works?