build exe with opencvsharp / dll missing / FileNotFoundException

hi there

i am doing now a project which includes opencvsharp function. And i wanna build it as a exe game file. But it gives me error.

It is actaully working fine in unity3d editor mode.

so i send you with file together can you maybe check how i can build it?

i am using unity3d 4.7 because opencvsharp is not working with current version of unity3d.

any help is very thankful

thank you very much

here is error message

found one: probe@Sad Idle (PerfectLookAt) UnityEngine.Debug:Internal_Log(Int32, String, Object) UnityEngine.Debug:Log(Object) FaceDetectScript:Start() (at C:\Users\corumlee\Downloads\CSharpTest_Win (1)\CSharpTest_Win\Assets\Scripts\FaceDetectScript.cs:50)

(Filename: C:/Users/corumlee/Downloads/CSharpTest_Win (1)/CSharpTest_Win/Assets/Scripts/FaceDetectScript.cs Line: 50)

FileNotFoundException at OpenCvSharp.Cv.Load[CvHaarClassifierCascade] (System.String filename, OpenCvSharp.CvMemStorage memstorage, System.String name, System.String& real_name) [0x00000] in :0

at OpenCvSharp.Cv.Load[CvHaarClassifierCascade] (System.String filename) [0x00000] in :0

at OpenCvSharp.CvHaarClassifierCascade.FromFile (System.String filename) [0x00000] in :0

at FaceDetectScript.Start () [0x00049] in C:\Users\corumlee\Downloads\CSharpTest_Win (1)\CSharpTest_Win\Assets\Scripts\FaceDetectScript.cs:53

(Filename: C:/Users/corumlee/Downloads/CSharpTest_Win (1)/CSharpTest_Win/Assets/Scripts/FaceDetectScript.cs Line: 53)

ArgumentNullException: Argument cannot be null.

Parameter name: capture at OpenCvSharp.Cv.QueryFrame (OpenCvSharp.CvCapture capture) [0x00000] in :0

at FaceDetectScript.Update () [0x00000] in C:\Users\corumlee\Downloads\CSharpTest_Win (1)\CSharpTest_Win\Assets\Scripts\FaceDetectScript.cs:70

(Filename: C:/Users/corumlee/Downloads/CSharpTest_Win (1)/CSharpTest_Win/Assets/Scripts/FaceDetectScript.cs Line: 70)