PC was unable to read Mobile phones connection.
Problem: "Drivers unsuccessfully installed" error appears when trying to connect mobile phone to PC.
Cause: This error is possible caused by an anti virus restriction or Defective or low qulity USB cable etc.
Trouble shooting # 1 :
You may download the USB drivers from LG PH site and install it manually to your PC.
Step 1: Visit LG PH site and search the model no. of your mobile phone.
Step 2: click product support.
Step 3: Click Software update and install USB driver.
Trouble shooting # 2 :
You may also activate USB Debugging at developer option.
Go to Setting ▶ General ▶ Developer option ▶ USB Debugging
Note: Make sure that the mobile phone is connected to PC before activating USB Debugging.