LOCK YOUR COMPUTERTo create a shortcut on your desktop to lock your computer:>Right-click the desktop.>Point to New, and then click Shortcut.>The Create Shortcut Wizard opens. In the text box, type the following:rundll32.exe user32.dll,LockWorkStation>Click Next.Enter a name for the shortcut. You can call it "Lock Workstation" or choose any name you like.Click Finish.You can also change the shortcut's iconTo change the icon:>Right click the shortcut and then select Properties.>Click the Shortcut tab, and then click the Change Icon button.In the Look for icons in this file text box, type:Shell32.dll.Click OK.Select one of the icons from the list and then click...