ABCPDF working diffrently in two machines

I am using APCpdf to convert my html page to pdf its working fine in my system but when I use the same code in another machine its not working . I have used absolutely same code and the same dll. it gives "ABCpdf 32-bit core engine version 8004 is older than ABCpdf .NET version 8.1.2.3." exception.
Heres the code
Doc theDoc = new Doc();             theDoc.Rect.Inset(20, 20);             theDoc.Page = theDoc.AddPage();             int theID;             theID = theDoc.AddImageUrl("http://localhost:1466/Views/RDXA_DealerInsuranceReport.aspx?DealerNumber=" + Convert.ToString(Request.QueryString["DealerNumber"]) + "&ReportDate=" + Convert.ToString(Request ...