Thanks @macuser_22, I've spent a while looking at pages of suggestions to check the AGI or try submitting the AGI as 0 for this situation where there is a deceased spouse on a MFJ return. I am glad the information you shared that this is finally being acknowledged as a bug / defect and should get addressed in a future update.
I'm helping my father with his return with this situation. As another point for reference, I did go out to TaxFreeUSA and reentered his tax return there with him as we don't really want to wait on a fix or mail in the return. Glad to say that our eFile on the other service was accepted by the IRS so the problem does seem to be something on the TT side. I hope this is being given a high priority for a fix as it seems to be impacting a lot of people.
