Movie (pre 2006) about man that is some sort of bodyguard for a little  girl? He has an invisibility suit and the girl doesn’t know what he looks like, almost like an imaginary friend. There’s a part where the invisibility suit fails him because of battery or something and he quickly hides in the girls closet. When the girl comes she tries to talk to her “invisible friend” and he talks to her from the closet still attempting to act like he’s invisible. The girl goes to her closet because it’s obvious his voice is coming from inside there and when she opens it they both scream and he runs out because he’s been seen. Later there’s a scene where he’s invisible again in her room and he’s apologizing for that’s ordeal