I have searched for this application, but couldn't find anything related to this error. From what it seems you need the QuickTime plugin/application installed on the computer and in the application's folder. Download QuickTime and install it, then start the application. If you still have issues, go to Help > About and note the contact options. Use them to contact the developers of the application. I have searched their official website, but I couldn't find anything related to Addins.