To prevent or avoid further data loss or system crash problems, it's highly recommended for all of you who got USB device problems fix it ASAP. Fortunately, the methods of fixing the USB device issue aren't as complicated as you might think and should work in most cases. If you can't fix the USB device problems manually, you can scan and repair the issues by using the automatic repair tool below.
1.First click usb icon on the right buttom on your computer and then select Eject Storage Media.
2.When you finish last step, it'll appear a message saying Safe to Remove Hardware.At this time you can pull down your USB from your PC.
1.Click Startup and type cmd in the searchbox, then double click on cmd.exe.
2.Type gpupdate and press enter, then you can destroy virus on your computer.