You claim my credit card was declined; however I received my 2019 disc and am trying to use it.

[jamesconnick]

My 2019 disc is inserted into my computer and it doesn't read it.

[VolvoGirl]

What kind of computer?

If you have WIndows 10 and the CD won't load see

https://ttlc.intuit.com/community/bugs-and-error-messages/help/nothing-happens-when-i-insert-the-cd-...

Or you can download it instead of using the CD.  To download instead use this FAQ

How to install Turbo Tax if you don't have a CD drive

https://ttlc.intuit.com/community/installing/help/i-bought-the-cd-but-my-computer-doesn-t-have-a-cd-...