Lightroom Classic crashes intermittently as you quit the application.
Lightroom Classic CC version 7.0 and later
This issue occurs when Lightroom Classic is configured to Use Graphics Card in the preferences with DirectX enabled.
To resolve this issue, follow the steps listed below.
Perform a clean installation of your graphics driver
When upgrading the graphics card driver, it is recommended that you remove all previous versions of the graphics card driver from your computer before installing the new one. This is called a clean installation.
Once you’ve determined the make and model of your graphics card in your computer, follow your card’s manufacturer documentation and resources below:
After installing the updates, relaunch Lightroom Classic.
Turn off the Use Graphics Processor option.
The crash issue should now be resolved.