Same problem here: Peazip shows only ONE 128Kb file without any extension and Windows (7 64 bit) explorer says the .zip file is invalid.
I tried the alternate DNSs (8.8.8.8 and 8.8.4.4), but same deal. Would this be a problem caused by ipv6, because I have that, but it says these DNSs are ivalid, while ipv4 accepts them.
Could anyone perhaps upload the zip file to, let's say, mediafire?