Some very odd things occur now and then with problematic video drivers. Or, if you have a Wacom device, touch drivers can have problems. Make sure all your drivers are up to date, particularly after applying system software updates. You can test if this is somehow gpu related by going to the applica...

I have a few questions about the problems you are experiencing. Are you using a legitimate copy of the software? A cracked version may exhibit any number of issues. You upgraded from Debut 11 to Moho Debut 11 or Pro? What language setting are you using? If you are getting an error alert message, wha...