Hello ,
Thank you for posting in the community and sorry to hear about the troubles. In order to best help you with resolving this problem, would you be able to contact us directly and provide more information on the error/crash you got and your computer specs.
Here is where you can find the crash log:
https://twinmotionhelp.epicgames.com/s/article/Where-to-find-Twinmotion-log-file
This is the direct link to report a bug:
https://twinmotionhelp.epicgames.com/s/case-community-page
Kind regards,
Vincent B.