New mess addition trouble.

Hello there, I was working on a Sci-Fi space ship and I seem to be having a really bad problem when it comes to adding new meshes, regardless of Mesh shape, the mesh appears invisible and doesn’t have any transformation options (Grab, rotate, scale, ect.) and it’s really driving me up the wall, I have made sure the Cursor is always at its default point at any time adding a new mesh… it’s just so aggrivating!