comp ip ban system problem

[sirena.com]

hi sir.. i cant access my RGC anymore.. it says i tried to manipulate the comp ip ban system.. i didnt do anything.. pls help me solve this problem.. maybe its a technical problem only.. i still want to play RGC.. so pls how can i access again my rgc.. it says i can only access again rgc if i delete the files.. i dnt know what files are those.. pls help