Thank you for your feedback. Please update iClone to the latest version first, and please provide your system information file and the iClone startup log for further checking. Here is the description about how to get your system information file. https://www.reallusion.com/FeedBackTracker/Home/HowToGet Download the zip file with the link below, inside the zip you can find the description about how to generate the startup log and crash dump. https://goo.gl/uVs6WN You can use cloud services such as Google Drive, Dropbox or OneDrive to make the files available to us and email the link with "FT3936" in the email title to feedbacktrackeradmin@reallusion.com. Reallusion