I had the same problem and called TurboTax. The agent Sylvie F. solved my problem, but I cannot confirm how. I believe it was solved by somehow presenting me with a prompt in which I confirm husband and wife were co-owners of the sale of the principal residence. TurboTax had never presented me with that page. We were on the phone for a couple of hours, so I do not have simple procedure. This all started with my trying to fix a problem yesterday and realized I did not have the cost and selling price, so had to leave things in limbo until I got the numbers today. But it took Sylvie a couple of hours to get to the point that there were no outstanding fixes required to enable NetFile. Hopefully they will fix TurboTax soon. This feature will be used a lot.
