https://bugs.winehq.org/show_bug.cgi?id=27113
--- Comment #9 from Austin English austinenglish@gmail.com --- using: austin@aw25 ~ $ sha1sum fdm494inst.exe 38c3200278a7a126b91b19697563e5412a2eb6f0 fdm494inst.exe
works for me with wine-1.7.20-33-g3ccaad8, with no proxy in use (and none easily available).
@Qian, perhaps the Great Firewall is your issue? Can you try that version on windows and the same network to see if it works?