Please help me with a rendering problem that has suddenly appeared. I'm using Vegas Pro 13 with windows 7. One the project I'm working on now (a dance show about two hours long) I'm experiencing super long render times -20 plus hours. There is nothing different about this project (no intensive graphics-just simple titles).I usually render something like this in around two hours. The other big problem, besides the long render time is when it finishes rendering -the resulting file plays fine until the last 10 minutes or so and then there is no video-only audio. The video goes black. I've rendered it several times over the last few days and it always goes black at about the same place. It plays fine on the timeline but once it's rendered I experience this problem. Please help -this is turning my hair gray. Thanks in advance.