I cant see the preview of my CDR files in either version after 2019 installation ...

I currently use the Corel X6, but I have installed the new version 2019 to try because I really wanted to upgrade, but after the installation, I cant see the preview of my CDR files in either version... How can I fix this please? pLUS IT SAYS 15 DAYS TRIAL AND IT HASN'T BEEN EVEN 3 and it is already gone the trial!!!!!!!!!!!!!!!!!!!!!!!!!!!!! I restarted my computer and the trial wont work anymore. What a disappointment.

Thank you in advance for any help about the preview problem