Also if you can, please try to recreate this crash in Topaz Photo AI, then go to Help > Open Log Folder, please send me all of the files within that folder. You should be able to attach them directly as a response to this thread.
If you would prefer you can securely submit your files(s) to my Dropbox using the link below. Make sure to send me a note to let me know you sent something.
Disable any antivirus, firewall, VPN, or proxy software that might be active on your computer. These tools sometimes interfere with the installer’s ability to download the model files.
Ensure that the Topaz Photo AI installer has all the proper settings in your system by going to your Mac System Settings > Privacy & Security tab and scrolling down to the security section. You will want to make sure you have ‘App Store and identified developers’ selected | MacOS | Example of Proper System Preferences