What is disable usb driver installation? The main thing is to prohibit the installation of external devices that have not been installed in the current computer usb driver to enable, if the corresponding usb driver has been installed will be invalid, which is a more practical function in the Win7 system, it can prevent others from using other usb external devices to operate on the current computer. The next u start small to teach you a way to prohibit the installation of usb drivers.
1, open the computer and open the "windows--inf" folder in turn, then find the "usbstor.pnf" and "usbstor.pnf" in the inf folder. "usbstor.inf", here we take the usbstor.inf file for example: move the mouse to the usbstor.inf file and right-click, in the pop-up options click on "Properties" item, as shown in the following figure.
2, in the usbstor.inf properties window, select the "Security" tab, and click the group or user name of "SYSTEM" and then click the "Edit" button. As shown in the figure below.
3, in the pop-up usbstor.inf permissions window, click the group or user name in the "SYSTEM", and then the full control of the rear of the rejection check box on, click "Apply - OK "as shown below.
Then use the above method to "usbstor.pnf" permissions are also changed to full control of the rejection state, restart the computer after completion, the original usb external devices used in the current computer can be used normally, if you use the usb external devices not in the set permission state before it can not be used, prohibit usb The driver installation can effectively prevent others from using other usb external devices to operate the current computer.