Visual Profile Console display: profile library libaccgprof.dll not found!

When I use visual profile to analysis my code, the Console display the inf. as follows:

profile library libaccgprof.dll not found
profile library libaccnprof.dll not found
3.141500
nvprof log: C:\Users\hs\nvvp_workspace.metadata.plugins\com.nvidia.viper\launch\0\nvprof_18752.log
==18752== Warning: Unified Memory Profiling is not supported on the underlying platform. System requirements for unified memory can be found at: http://docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#um-requirements
==18752== Warning: Some profiling data are not recorded. Make sure cudaProfilerStop() or cuProfilerStop() is called before application exit to flush profile data.

Does anyone can help me to solve the problom, be greatful.
Nolan