Thank you for your feedback. 1. Please check that your system clock is set to the current date and time before you try again. Set the system clock manually: Step1. Go to Start > Windows Settings. Step2. Select Time & Language. Step3. Select the Date & Time tab. Step4. Set the Time automatic: On. Step5. Set the Time zone automatic: On. 2. If the problem still persists, please provide your character file and system information file to help us identify the problem. Here is the description about how to get your system information file. https://www.reallusion.com/FeedBackTracker/Home/HowToGet Please capture a screen video about this issue, put it on the YouTube, and add the link in your next comment. You can use cloud services such as Google Drive, Dropbox or OneDrive to make the files available to us and add the link in your next comment. you can use private comment if you want to keep it private. Allen Reallusion