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.
How much space to you have left on your hard drive ?
It might be your running low or that Photoshop is trying to create scratch space in the wrong place, and would probably require the settings manually beign altered.