My 2018 return was rejected, how do I find the return and fix it?

My 2018 return was rejected, how do I find the return and fix it?  When I click on TurboTax, it tells me there are no files found.

Get your taxes done using TurboTax

Did you use the Desktop program on your computer?  Then your return is only on your computer.  Start the program and go up to File-Open.
LinaJ2018
Intuit Alumni

Get your taxes done using TurboTax

I am attaching the following instructions for your answer:

https://ttlc.intuit.com/replies/3302275