ATF error *How to Solve atf (Error: WINUSB.DLL coul not be loaded )
How to solve this Problem

1* Go to the program files folder of AdvanceBox Turbo Flasher(DriveC/AdvanceBox Turbo Flasher/Driver/Lumia Phone Drivers
2* Open Driver folder

3*(Open) Lumia Phone Drivers
4*You can see(WinUSB Drivers x64)64Bit (WinUSB Drivers x86)32Bit Just install the Driver which support of your Operating System