http://bugs.winehq.org/show_bug.cgi?id=19903
--- Comment #1 from Austin English austinenglish@gmail.com 2009-09-01 10:21:59 --- =>0 0x7d946378 CreateUrlCacheEntryW+0x408() in wininet (0x0a3dc7c8) 1 0x7d9350eb HTTP_HttpSendRequestW+0x8fb() in wininet (0x0a3de9d8) 2 0x7d9365c9 in wininet (+0x265c9) (0x0a3dea08) 3 0x7d93be31 in wininet (+0x2be31) (0x0a3dea48)
Please install debugging symbols and get another backtrace. Also, a +wininet trace would probably help.
'winetricks wininet' should work around the bug.