pdf to swf is crash when merge 100+ SWF files into one SWF file

Software error while converting pdf to swf.

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I have tried the following command line in my system just now, everything is fine,

pdftoflash.exe D:\temp\sample.pdf D:\temp\sample.swf

Can you work fine with above command line in your system?

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I have tried again as your suggestion but it still failed.
It's crashed when "combine all SWF files into SWF file" process.

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