Get your taxes done using TurboTax

No.  You would still file his final return and mark the box that says deceased on the PA 40.  Where does TurboTax say you cannot file a final PA return?

The fiduciary (executor, administrator, or other person charged with caring for the decedent's property) must file the tax return for an individual who died during the tax year. The fiduciary files the return as "Deceased," and reports all income the decedent received from the beginning of the tax year to the date of death.  Any return filed for a deceased individual must show the date of death on the appropriate line. Brief Overview and Filing Requirements