Installshield and Windows Form - Visual Studio 2013

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C#

Hi,
i created a windows form application and setup project with Installshield LE Project.
My application contains two folder: in the first folder there are .html files that link to images (png) stored in the second folder.
When i start the application from visual studio 2013 it works fine showing to me html file with linked images.
In the section 'Application File' of Installshield project i added both folders but when i install the application from setup file and i click on html file i can't see the image linked by html file.
What could be wrong?