Still try to contact TurboTax support, they maybe able to give you an amended software.
You can also manually amended your return.
1040x amend return
https://www.irs.gov/pub/irs-pdf/f1040x.pdf
1040x instructions
https://www.irs.gov/pub/irs-pdf/i1040x.pdf
If you need to amend a State return, you can check your State's website for their amended returns.
