I am currently using Vegas Movie Studio 11, and have been using it for a while. Just recently I opened one of my projects and tried to do more editing, but something strange is suddenly happening. Everytime I try to move a clip that's in place back or forward, all the other clips in place behind it move in the same direction move. If I try to extend a clip to edit it, all the other clips after get pushed back as well. On top of which when I try to drag a clip, it only drags the video instead of both video and audio. I have no idea what happened or what to do. I'm very frustrated.