My TV periodically has words or characters show up across the screen. What's wrong?

Susan

New member
Does this have something to do with the cable provider? Once in awhile short words or characters will just pop onto the screen. It definitely looks like computer code but, why would show up in the picture? Right now there is a black box in the center in the screen with the words: "s about three" huh?
Anyone have any ideas? The TV is just a couple years old.
 
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