http://bugs.winehq.org/show_bug.cgi?id=17178
--- Comment #1 from André Kjellstrup andre.kjellstrup@gmail.com 2009-01-28 16:39:50 --- this works: wine winebrowser http://vg.no
it must mean that the error is between how the link is passed to the "winebrowser" program, and not in the winebrowser.exe or Linux. (default browser)