Description:
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After having problems runing exec(), system() and shell_exec() commands i resolved them, but now when i open a Access program (ej. recib2k.mdb) the web server cannot close it and stay open like a process. Anyway the recib2k.mdb that i open, doesnt do anything, only stay open. When i run the web page (imprimir.php) it does well. I mean, i only want to create a pdf file and i prepared an Access file which opens, prints a pdf file and closes. Easy.

When I run it on the server (cmd.exe) runs well, but when trying to exec it does nothing, only stay waiting.

What can i dooo?????

---- Sorry my english ------

Reproduce code:
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<?
$programa = "\"c:\\inetpub\\wwwroot\\php\\vales de compra\\recib2k.mdb\"";
$retorno =  exec($programa);
?>

The program opens but it doesent do nothing.

Expected result:
----------------
Create well the pdf (it does wellfrom the server).

Actual result:
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A new Internet Explorer window opens and stay waiting for the server but the progress bar never ends!