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.
It would not be with your account, more your browser.
The remember me should be ticked by default so make sure your not unticking it.
Also make sure the cookie security in IE is set to the standard so that its not being blocked ( usually a red iron shows on the bar if this is the case )