fs2002 online prblms!

hi there, I've installed fs2k4 but still have fs2k2 for some online flights that need fsuipc!this is my prblm: after installing directx9 the fs2k2, when online, doesn't place the plane in the right places!eg: if I'm in a given runway, contollers see me miles away from the place I am!!can anybody help me?