Operating system: Windows-10-10.0.17763 64 Bits
Graphics card: GeForce GTX 950/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 388.13
Broken: version: 2.80 (sub 74), branch: master, commit date: 2019-07-03 09:54, hash: rBf990c23bcfb5
Short description of error
I was editing an object in edit mode and edge mode when I pressed Ctrl+Z to undo an operation and the program crashed and closed.