HI All
I create a Adobe reader application (version 9.4)which insert a PDF file in it.
I want to make this application open , it could auto open this pdf file.
I add a command line such "@SYSDRIVE\test.pdf" iin startup file.

then I perform it to verify, when the application running and try to read pdf file. it show a error message.
Click image for larger version. 

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it fail to open pdf file, but I could manual use open file to select my testing pdf file.

I want to find the main reason about this error message (or how to create to debug to verify this error)

Do I ask which document provide such information ?