Not sure if this was already posted but here is a window 64 build of the miner:

http://s000.tinyupload.com/index.php?file_id=62537288457890782834

You will need the visual studio 2013 c++ run time from here:

http://www.microsoft.com/en-US/download/details.aspx?id=40784

I've had it running all night and seems to be good:

cpuminer -a qubit -o stratum+tcp://mdt.suprnova.cc:5146 -u username.worker -p password