According to the help file it is an unzip error as follows -

Bad command structure - You have specified an inappropriate combination of properties or have omitted a property setting that is required for a particular operation.

HTH

-Dan

>I'm using dynazip to unzip a file from within an application. It has been working for over a year and now I am getting a dynazip error of 47. Does anyone know what this is?
>
>Wayne Frenck