I updated my software as usual but the program no longer shows my file I have already started on
Did you save it when you closed out of the program last time? You should be able to go to File and Open Tax Return.
https://ttlc.intuit.com/questions/1901659-find-your-tax-data-file-in-mac
https://ttlc.intuit.com/questions/1900721-find-your-tax-data-file-tax-file-in-windows