http://bugs.winehq.org/show_bug.cgi?id=15092
--- Comment #10 from Ken Sharp kennybobs@o2.co.uk 2010-06-12 08:50:45 --- Works fine here still.
Can you confirm you're using a clean ~/.wine ?
If so, can you attach a +wininet +urlmon trace?
http://wiki.winehq.org/FAQ#head-16da35b6327024d6ea576e3678488b16862d0f5e