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Hi, I am struggling with a slow conversion time issue which seems like a timeout exceeded somewhere. 

I want to convert a DOCX to PDF using MSWORD, so I am using the transformDocument method. It works fine, but it takes >30sec. I added logs to see what was taking time in the library, specifically in the TransformDocAdvMSWord.php, whish can be summarised like this : 

// start a Word instance
$MSWordInstance = new COM("word.application");

// open the source document
$MSWordInstance->Documents->Open($source);

// save the target document
$MSWordInstance->ActiveDocument->SaveAs($target, $code[$filesExtensions['targetExtension']]);

// close Word
$MSWordInstance->Quit();

// free memory
$MSWordInstance = null;

And the guilty is the free memory section, that line alone takes 30 sec.

$MSWordInstance = null;

Meanwhile, the PDF has been created almost instantaneously, but I have no response before that 30 sec.

Dunno if linked but I have "COM Surrogate" processes that stay idle even after conversion, whereas the "word" processes are automatically closed after conversion.

That fixed 30 sec makes me think of a timeout, as if apache couldn't make the COM object end (using apache + php/cgi on windows server).

Do you have an idea ? Thanks in advance !