Last Month the Japanese try to retrive this mod a little bit more. They played in the at 2pm CET. At the moment the gametracker,com Server Monitorring is off. Hope soon they turn it on. The ranking seems to work.
I'm runnin windows 7 64 bit. I have on compatibility mode with xp sp3, run as administrator, disable visual themes, and disable desktop composition. Hope that works for you too.