C# HTML to PDF WkHtmlToPdf wrapper -

i using c# html pdf wk htmltopdf wrapper while trying run below code exception of type 'system unauthorized access exception' occurred in ms cor lib not handled in user code

additional information: access path denied.

any suggestions , on please

here code picked http://www.nrecosite.com/pdf_generator_net.aspx

i think folder contains 'wkhtmltopdf.exe' not accessible application. please try run application in administrator mode. think might you...