When starting Wildfire 4.0, a Toolkit application compiled using Wildfire 3.0 doesn't start and give the following error. Pro/TOOLKIT application 'MyApps', from registry file 'f:\MyFolder\Myapps.dat', predates Pro/ENGINEER Wildfire v4.0 but was not marked as using legacy encoding. Any Idea. Thanks MA This thread is inactive and closed by the PTC Community Management Team. If you would like to provide a reply and re-open this thread, please notify the moderator and reference the thread. You may also use "Start a topic" button to ask a new question. Please be sure to include what version of the PTC product you are using so another community member knowledgeable about your version may be able to assist.