This is an edit since there's no option to delete the question

[sidekicking]

again, an edit because I wanted to delete the question

[TaxGuyBill]

I just converted my "comment" to an "answer" so that if you want to "recommend" it now you can.

[TaxGuyBill · Accepted solution]

Have you entered all of your income?  If not, the loss can't be used if the tax return currently shows no income.

Have you looked at the actual tax form itself?  Sometimes the summary screen in the program are misleading.