shader debug window can not open

After i installed the latest version of nsight for vs, i failed to open the shader debugger even though every other windows are fully functional.

I’m sorry to say that NsightVSE no longer support shader debugging.

See Nsight Visual Studio Edition Features | NVIDIA Developer
[5] Not shown: Note that shader debugging (previously only supported on Kepler GPUs and for D3D11 and Open GL (4.2-4.5)) has been removed as of version 2019.1.

Note that we do intend to introduce a new shader debugger, supporting modern GPUs, in a future release. For current release, however shader debugging is not supported.