window media player fails

Yesterday I downloaded MVI_1138.AVI from my camera.
Then I played it (so it was good)
Then I played it for one of my children (it was good)
Then I played it for my SO (it was still good)

Today it will not play.
The message is that WMP does not recognize the file type.
This is interesting, because it thinks it is trying to
play MVI_1138 (no suffix).

Anybody recognize the problem?
Is this a common problem?
Is there a known fix?
Charles

give your computer to charity. purchase an etch-a-sketch.


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> Yesterday I downloaded MVI_1138.AVI from my camera.
> Then I played it (so it was good)
> Then I played it for one of my children (it was good)
> Then I played it for my SO (it was still good)
>
> Today it will not play.
> The message is that WMP does not recognize the file type.
> This is interesting, because it thinks it is trying to
> play MVI_1138 (no suffix).
>
> Anybody recognize the problem?
> Is this a common problem?
> Is there a known fix?
> Charles