Nvda.Nexus.Injection.dll is the core dll for Nsight, normally it’s located at “C:\Program Files (x86)\NVIDIA Corporation\Nsight Visual Studio Edition 5.2\Monitor\Common\Injection64” or “C:\Program Files (x86)\NVIDIA Corporation\Nsight Visual Studio Edition 5.2\Monitor\Common\Injection32”, if it doesn’t exist, I guess there are something during installation, could you download the msi and reinstall it again?