Where to find the drivers for LG phones?
If you have problems with the connection of LG phones on the USB port to Windows 10 and Windows 7 PCs, then you have to install separately on the Windows Research the USB driver for LG smartphones.
The problem occurs when you can not connect to the phone under AirDroid or when debugging with Android Studio.
With Airdroid the version then always tries to start the DPInst64.exe and this runs then without further announcement or changes.
The driver for LG smartphones is:
LG Universal Mobile Drivers
You can find the drivers on the LG side under Support-> Software driver
USB debugging on LG phones, LG V30, LG V30 +, V35, V40 G6, G7, G8 smartphones
Remote Debugging, Remote Operation AirDroid, Visual Studio
Google DpInst, dpinst64.exe