USB WriteProtector enables or disables the write protection for all USB devices of the running system, e. It is a freeware USB protection application that's light on system resources and portable.
Here are some screenshots to illustrate the features and user interface of this application:
And piece of software to prevent data writing on USB drives without anything more than a few mouse clicks. Screenshot of USB WriteProtector - 497px · 272pxA simple tool for write protecting USB drives. Screenshot of USB WriteProtector - 473px · 268px