Smartly locked desktop in Windows XP system

        In Windows XP, if you want to leave for a while and don't want others to move your computer, you can lock the desktop, so if someone wants to unlock, you must enter a password, so locking the desktop is a way to protect personal privacy and data. An effective way. For example, a computer that manages patient files in a hospital because the operator's work is relatively fluid and often walks away temporarily, and then the desktop needs to be locked. To lock the desktop, the usual way is to press the key combination Ctrl+Alt+Del, open the "Windows Task Manager" dialog box, then select "Shutdown" → "Lock Computer", or directly press the key combination "Windows Key + L" . However, users who are accustomed to using the mouse will prefer to have a shortcut on the desktop that can lock the computer, and double-click it to achieve the purpose of locking the computer. The following method can help us establish such a shortcut. 1. Right click on the blank space on the desktop and select New → Shortcut. 2. In the "Create Shortcut" dialog box, type "rundll32.exe user32.dll,LockWorkStation" and click "Next". 3. In the Select Program Title dialog box, enter the name of the shortcut "Lock Desktop" and click the "Finish" button. This creates a shortcut called "Lock Desktop" on the desktop, and you can double-click it to lock the desktop. To unlock, just enter your login username and password in Windows XP.