movie extractor

[Shadow X5452]

hi there, i'm new here.
just to know me, i'm 16 and i'm italian.
i downloaded the movie extractor from the site and i extracted the videos.
the problem i got is that the audio is slow motioned.
i searched inthe forum some help and i found that i have to use sony vegas, but with this program i can't see the video, i can only listen the audio that i edited and now is normal.
what do i have to do?
please help me!!!!!
Cià