#DEFINE SW_HIDE 0 lcDir = "c:\yourdir\" lcCmd = lcDir + "yourprogram.exe" lcPrm = "yourparameters" DECLARE Long ShellExecute IN "Shell32.dll" ; Long hwnd, String lpVerb, String lpFile, ; String lpParameters, String lpDirectory, Long nShowCmd ShellExecute(0, "", lcCmd, lcPrm, lcDir, SW_HIDE)>I'm using RUN command, and always get a DOS box shows up, even I have added set cons off