You must have needed to upgrade to a paid version or accidentally upgraded. Probably to Deluxe. Did you also do a state return?
Deluxe is currently $39
And state is another $39
Or to have the fee deducted from your refund is an EXTRA $40 Pay with Refund charge
How to see your fees
https://ttlc.intuit.com/community/charges-and-fees/help/how-do-i-review-my-fees-in-turbotax-online/0...
