Did buy TurboTax directly from us or from a 3rd party retailer?
If you bought TurboTax from a 3rd party retailer, please use the form on this FAQ to request a refund: https://turbotax.community.intuit.ca/community/after-you-file-questions/help/how-do-i-get-a-refund-for-a-turbotax-product/00/873559