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 https://developer.nvidia.com/nsight-visual-studio-edition-features
[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.