Thank you for the answer - this helps some.
Based on your answer and additional research in the instructions to the respective forms, it seems that there is a mismatch created by TurboTax. It filled out Form 2555 Line 45 with no parentheses.

I am also not quite sure, yet, how TurboTax comes up with the numbers in Schedule 1, line 21 - I'll still have to research what else is added/subtracted. Do you happen to have a screen shot of this as well?

However, I would have expected TurboTax to be capable of doing all this, if it offers to enter foreign income. Unless there is a trick to it that I haven't discovered, this is disappointing. Especially since I only found out that it does not work after paying for it.

Form 2555 is supposed to have positive numbers for Line 45 and Line 26.  I apologize if I did not make this clear.  I edited my answer and added a pdf example copy of everything that is included in Line 21 Schedule 1.  I strongly suggest that next year you use the cd/Download version of TurboTax instead of the online version.  With the cd/Download version, you can see all your forms and worksheets while you prepare your returns.  You cannot do this with the online versions.  All the cd/Download versions are the same, the only difference between the versions is the amount of assistance they provide for different topics.

Thank you very much for your answers.
Yes, it was clear to have positive numbers for Line 45 and Line 26. Thank you for your edit as well and your suggestion about the download version. I wasn't aware of the difference and may follow your advice for the next round.

I am having the same problem have been through the online application two separate times. How do you fix? Why did I get TurbTax if I need to research a form 2555 in order to file :(