These SWF error messages can appear during program installation, while a pro8_demo_intro_topic4.swf-related software program (eg. designSUITE Freeware Edition) is running, during Windows startup or shutdown, or even during the installation of the Windows operating system. Keeping track of when and where your pro8_demo_intro_topic4.swf error occurs is a critical piece of information in troubleshooting the problem. SWF