ddfsx

Hello I have a problem to registration my widefs6 in fs 2004 I have purcharge on simmarket the 2 keys together 1 for fsuip and 1 for widefs6 The key for fsuip no problem but when I enter the key for widefs6 he don’t accept hem??????????? Why?????? Maybe because I have a regristratet version of the widefs on the same pc in fsx Where he work verry wel I wand to use the fs 2004 for flights white the ivao network And the fsx only for vfr flights Please help me ddfsx