http://bugs.winehq.org/show_bug.cgi?id=21680
--- Comment #4 from Juan Lang juan_lang@yahoo.com 2010-02-22 11:28:34 --- Created an attachment (id=26407) --> (http://bugs.winehq.org/attachment.cgi?id=26407) +wininet log
For completeness, I attached a +wininet log. The server seems to be returning a 402 status code, which is unusual.
Trying with native wininet, the program display an error dialog: The internet activation server returned an unknown error (-2146893051). Press OK to manually activate your software.
-2146893051 is 0x80090305, aka SEC_E_SECPKG_NOT_FOUND. I believe that's because gnutls isn't configured on my system. So, using wininet may be a viable workaround for you.