New Post: System.IO.FileNotFoundException: Could not load file or assembly 'Magick.NET-x64'

i'm using windown server 2012 and add Magick.NET-x64 in class library visual 2008. I'm build gacutil.exe assembly use FTP : http://www.iis.net/learn/develop/developing-for-ftp/how-to-use-managed-code-c-to-create-an-ftp-provider-that-prevents-leeching . when upload success --> convert thumb image :

                using (MagickImage image = new MagickImage("C:\\images.eps"))
                {
                    image.Write("C:\\thumb.jpg");
                }

i'm installed Visual C++ Redistributable for Visual Studio 2008 . Waiting for your help

Thanks a lot