Saving My File Correctly?

[Miles Of Smiles Rock]

Okay
So I Made A Vid On YouTube.
It Saved My File As MSWMM
And YouTube Said That Was An Invalid File.
Which File Am I Supposed To Put It In?
Can Someone Please Help Me?
I Really Dont Know And Im This [||] Close To Quitting
Which File Am I Supposed To Put It In?
Thanks :))

[yeahme23]

hmmmm.....in Windows Movie Maker...did you save it as a movie file or did you just save the project?

[Miles Of Smiles Rock]

I saved the project ;)
Is that whats wrong?

[mileycyruslover#1]

Did you go to the left hand side and press
"Save to My computer"? If not that is
what your supposed to do.;)

[Miles Of Smiles Rock]

Thanks so much!
Its uploading NOW!