We are building a web application (C# .NET) that uses unmanaged libraries in the form of the Emgu opencv wrapper. We are forcing the build to be in 32-bit (x86), and we are
In my case "npp32_xx_x.dll" (xx_x is version no, 32 is the 32bit architecture) solved the problem.
So you can try putting this dll to your projects out put folder for win apps and equivalent folder in web apps.
The dll is Nvidia Cuda NPP Library.