System Information
Operating system: Windows-10-10.0.17134 64 Bits
Graphics card: Quadro P5000/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 391.58
Blender Version
Broken: version: 2.80 (sub 75), branch: master, commit date: 2019-07-29 14:47, hash: rBf6cb5f54494e
Worked: (optional)
Cannot import a .stl file. there is no mesh
File menu - Import STL