CPXMAKER is designed to be installed in the Devpac 3 Tools Menu and called with its (.MPC) control file in the top window. See DEFAULT.MCP for details of the control file format. Use the following settings in the Tools menu entry: Command Line: As shown Directory: Tool's Save Files: Yes Path: D:\DEVPAC3\TOOLS\CPXMAKER.TTP (or wherever it is) Command: %? Pause on return: No Report all errors: No Run as TOS: Yes Run as GEM: No