Please recreate this crash 2 times. Then open Topaz Photo AI, go to the menu bar on the top and click the Help > Open Log Folder menu option. Attach the logs files that you can see in the window that opens.
Please send me the file so I can try to reproduce this issue as well. You can securely submit your image(s) to my Dropbox using the link below. Please be sure to send me a note to let me know you sent something. Dropbox File Request