antona furies

i have statue in meshlab. is textured marble and ambient occlusion. i have export mesh as every type of file and statue always come out pale gray and never save any png or image at all i follow many tutorials and have same result. i want only export what i see on screen. no decimate, no fill hole, no nothing. fact that this software has no "undo" function is horrible please someone give easy instruction on how to export mesh and textures as it appear in my screen?