Please try emptying your temporary files directories.

1. Type %Temp% in the Search box on the Task Bar and click the found Temp folder.
2. This will take you to C:\Users\<YOUR PROFILE NAME>\AppData\Local\Temp.
3. Highlight and delete all the folders and files in the Temp folder. (Some may not be able to be removed).
4. Go to C:\Windows\Temp
5. Highlight and delete all the folders and files there.

Then restart your computer and try again.

If you still have problems after that, please contact our Technical Support department using the link below. They will be able to advise you further.

http://www.reallusion.com/CustomerSupport/UserEx/QForm.aspx