David,
Please clear your temp folder and restart the computer. Uninstall Java 6 and install the latest version of Java 7. If you are still having issues, please contact Technical Support via the web form on the knowledge base at www.prometheankb.com, select your region/language, Software, Contact Us. In the Existing case field input case number:238241 and if possible attach the flipchart so that we can test.
Thanks!