How to execute VBS file?

[standalone]

I have VBS file on c:\myweb\myfile.VBS

I tried to execute it from php.

when I tested the file from the editor the editor freez

I have PHP 4.4.4

the editor version 1.75 alpha

when I execute the file by click it ; it's work, but from php not work

Now

how to execut the file from php???

my code is

---

<? php

exec("c:\myweb\myfile.vbs");

?>

---

any Idea??????????