> $pp = popen( 'c:\phpdev\php\php-4.3.3\php.exe -q -f '.$app . $str ,'r' ); >dies 'orribly with no errors reported Wild guess: If you replace the dynamic built string with a hard coded one, does the same thing happend then? Wild guess 2: Maybe you need a space betweeb $app and $str to (e.g. ".$app.' '.$str")? -- PHP Windows Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php