Compaq Evo n610c Drivers WinXP This is very use full trick for your system protection. When you entered your USB. when you work on your system, and when you removed your USB. when you are not work on your system, and block your Keyboard and Mouse. 1:-Firtlsy download this software �Predator�. 2:-After install this software then launch this software and plug-in your USB device. 3:-Define the New password for USB then click �ok� and retype password. 4:-Check your USB current drive letter(G:) and click �Create key� 5:-Then click �Ok� button. . Requirement:- Microsoft .NET framework 2.0 and above version. download file now