Has someone know how to execute an external program with nt 2,000 iis 5.0 and php4? My code is: <? $param=$v1.' '.$v2.' '.$v3.' '.$v4.' '.$v5.' '.$v6.' '.$file.' '.$rt.' '.$rc; exec($BASEDIR."\\prog.exe ".$param); ?> And the error: Warning: Unable to fork [c:\programmi\senalotto\prog.exe 11 11 11 11 11 11 pluto 6 6] in c:\programmi\senalotto\calcolo.php on line 19 prog.exe is a c compiled program running in shell mode tank's Omar -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]