Please disable the Graphics Processor from the Device Manager and then launch the Lightroom.
Open Control Panel<< Open Device Manager
Go to Display Adapters
Right Click on listed GPU<< Disable it.
Once it open
Go to Lightroom Preferences from the Edit menu
Click on Performance tab
Uncheck the Graphics Processor
then, Go to General tab
Uncheck the option " Show Add photo screen"
finally, Go back to Device Manager<< Enable the GPU
Let us know if that helps.