HELP, I'm trying to render a 41 minute video with Sony Vegas Pro 12 and it doesn't want to work. (More info in description)

I have windows 7 and this is going to be my 100th video on my channel. I have been trying to render it for a few days now. The approximate time is 4 and a half hours and it is taking too many. tries. Videos usually take more than one try but this is too much. I am looking for an alternative to render this video, help would be appreciated. (channel:

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