does nsight supports cg shader?

first of all, i apologize for my short english.

when i try to graphic debugging with nsight based on opengl and cg shader, i got a incompatibility error.
the incompatibility log-file is as follow.
glGetProgramivARB: 0x00000001
glGenProgramsARB: 0x00000001
glBindProgramARB: 0x00000064
glProgramStringARB: 0x00000001

should i change my shader language?

I recommend staying as close to OpenGL 4.2 core as possible. Nsight does not support CG shaders.