Problem with Windows Media Player
 

I need some help here now.
My Windows Media Player is a little messed up.
When viewing video clips, the lower part of the window is black.
I attach an (crappy edited) image in this message.
Imagen that the yellow field is the movie. and the other black field can't I get rid of, even though I re-seize the window.
What do I do?
Re-install Windows Media Player? How do I do that?
I'm using WinXP.

Your movie probably already includes said black border.

or

Does this happen with every single movie?

It happens with all movies.
Could it have to do with that I, at one point, did choose to play a video that Windows Media Player not really supported?

Have you even tried the video in a different player? I mean, wouldn't this obviously be the first thing to do if you're running into problems with a particular player? That way you could at least rule out a software problem.

I recommend trying VLC or Media Player Classic.