SMALLVILLE'S PROFILE

Hey i downloaded ig maker and for some reason it wont play on my laptop i have windows vista,and when i start it i cant play the trial it wont let me.It allways say:system bad image format exeption and atempt was made to load a program with an at.a3 func04(string A_0.And i dont know what that means,i want to play the 30 day trial but it wont let me anyone know how to fix this?