Unity 3.5.6 Build Settings Frozen

The build setting is frozen on Flash Player and I tried resetting the layout, its not doing anything I am really frustrated cause there is no point of me going further with this game if im not sure its gonna work. Oh yes and it also the Pro version.

Image

Hi , you want to get unity flash license then only you can run … please go through this link https://store.unity3d.com/products