Error regarding to dll files and assembly loading

Question

Hello Friends,

               I'm developing project in C# in my project i was include one exe c# application with my form.If i am execute my project it will execute but the exe file which is include my project it can't properly execute and it shows the following assembly errors.

 

                   

               Interop.DexterLib,version=1.0.0.0,Culture=neutral,publicKeyToken=null

               

              Exception from HRESULT:0x80131040

               

               How to clear this?