We're really sorry for all the trouble caused you. Could you please let us know the exact version of Lightroom you are using now? Go to Lightroom > help menu > system info. Please look for updated graphics drivers from the manufacturer website and install it.
Also, could you please share the crash log file from the windows event viewer? Refer: Photoshop Elements Editor Help | How to Find Crash Logs on Windows
I have updated the graphic drivers for my Nvidia 730M card and checked that Intel graphic driver is the latest version.
I have disabled the Nvidia graphic card and still get crashing not responding problem.
LR version 126.96.36.199
The program Lightroom.exe version 188.8.131.52 stopped interacting with Windows and was closed. To see if more information about the problem is available, check the problem history in the Security and Maintenance control panel.
Process ID: 46c
Start Time: 01d3fe81d9c3fd87
Termination Time: 78
Application Path: C:\Program Files\Adobe\Adobe Lightroom Classic CC\Lightroom.exe
Report Id: bbc8252e-0f44-4814-986a-34a28be25ec6
Faulting package full name:
Faulting package-relative application ID:
Please add Lightroom in Nvidia optimus settings, refer: How do I customize Optimus profiles and settings? | NVIDIA
Also, you may try create a new catalog in Lightroom and let us know the results.