Hardware Black Box On Recorded Videos?

[mrtimotei]

So after recording a video on my 3DS and then putting it on my computer to watch, there's this weird black box that pops up in the center of the video. This happens when you maximize your video player. Here look (Sorry, big image. Plus, I don't know how to put it into a spoiler):

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Anyone else have this problem?

 

[Judas18]

Hmm mine don't have that box.

 

[mrtimotei]

Whoops! My bad, folks! It was just because of my video player. I used a different one and it was gone. No problems.

 

[Deleted User]

Request lock please?