Movie Maker

I used Movie Maker to create a movie for work. I saved it to a usb, but when I put that usb into the tv to view the movie, there's nothing there. I tried saving it with the recommended settings, my own custom settings, to the computer- but I always get an error code of some sort or it tells me there's not enough storage (brand new 32gb usb) and to save at a lower resolution. However, it starts to tell me some of my pictures are missing or not supported. It does it randomly with pictures, never the same ones, and when I try a different way to save it, those pictures are fine. Help!