PenDrive Locker/Unlocker utility is a small, simple yet truly portable program designed to unlock windows registry which prevent someone to use Flash Drive/Mass Storage/External Drive on USB port.
This application is useful to prevent your computer from virus and spywares that spread from pen drive.
You can use this program to inspect and reset USB setting to original value and see if that helps. You can also use this small program to enable USB port for flash drive, transfer your personal belonging and disable it back.
Download the application from the link given below
Click here to download Pendrive Locker
This program also best for system administrator to limit or totally disable USB mass storage device .