My friend sent me some videos he recorded of me and him gaming on xbox. He recorded the videos with his HD PVR gaming edition which is the second HD PVR I guess. Anyway, my problem is that when I open these videos in sony vegas pro 12, they wont play past about 3 minutes into the video. After 3 minutes in it just freezes but I can still hear the audio. Any one know how to fix this?

Also, the videos are showing up as 120 frames per second when they are supposed to be 30fps.

Here's a picture of what it looks like. The video after 3 minutes shows up as a solid green square: [ Register or Signin to view external links. ]
and here's a picture of the video after it gets past 3 minutes: [ Register or Signin to view external links. ]

By the way, the media isnt offline. It just says that because I didnt have the window selected.