http://bugs.winehq.org/show_bug.cgi?id=23354
--- Comment #1 from Rosanne DiMesio dimesio@earthlink.net 2010-06-24 08:24:51 --- I can't reproduce this. I just tested winetricks ie6 four times in 1.2-rc4, and each time it installed perfectly. Winetricks version is 201005026.
Are you sure it's not a connection problem?