Using the "Connect to Firewall" Feature Windows XP has added a free "Internet Connection Firewall" feature. When using the "Connect to Firewall" function, you can click the "Settings" /"Network Connections" menu item in the Start menu, then select the dial-up connection you need to access the Internet from the pop-up window, then right-click the connection Icon, and select the "Properties" button, then click the "Advanced" tab in the dialing properties window that pops up, select the "Internet Connection Firewall" option in the corresponding tab page, and then click the corresponding "Settings" button of the firewall To set up a firewall according to your own requirements, so that the firewall can work more efficiently. Encrypt important information to prevent others from using their own computers to peek at the files they store on their computers. Windows XP specifically provides us with "file and folder encryption" functionality for our regular users. Encrypt important information stored on your computer. First open the Windows XP Explorer, then find the file or folder you need to encrypt in the Explorer window, then right-click on the selected file or folder and select "Properties" from the shortcut menu that pops up. Button, then Windows XP will pop up the file encryption dialog box, click the "General" tab in the dialog box, and then select "Advanced", "Encrypt content to protect data". Eliminate System Sudden Death When operating an application in Windows XP, due to improper operation or problems with the system itself, the operating program has not responded for a long time, and many people think that the computer is definitely a crash. In fact, in Windows XP, some programs that are not working properly will cause the system taskbar to die. This phenomenon is mainly caused by the incompatibility between the currently executed program and the system. When this happens, we can find the executable file of the program, then right-click, select the "Compatibility" tab in the pop-up dialog box, and then select the corresponding running environment under "Compatibility Mode". Assigning administrative rights to yourself Many programs installed in the Windows XP operating system require users to have certain administrative privileges in order to use the program. Therefore, in order to be able to use the program, we sometimes need to temporarily assign an administrative right to access the program. When assigning administrative rights, we can log in to the Windows XP system as a normal user, then right-click the program installation file, and hold down the Shift key on the keyboard, click "Run" from the shortcut menu that appears. "", and finally enter the user name and password with the appropriate administrative rights in the pop-up window. Blocking Unneeded Service Components Although the more service components are installed, the more service functions users can enjoy, the service components that users usually use are limited, and the components that are rarely used not only take up a lot of system resources. In addition, it will cause system instability, it will also provide multiple ways for hackers to remotely invade, for which we should try to shield those service components that are not needed. The specific operation method is as follows: first find the "Services and Applications" icon in the Control Panel, and then open the "Services" dialog box, select the program to be masked in the dialog box, and click the right mouse button to pop up the shortcut. Select the "Properties" /"Stop" command in the menu, and set the "Startup Type" to "Manual" or "Disabled", so that the specified service components can be blocked. Lock your computer You can quickly lock your keyboard and display by double-clicking the desktop shortcut without using the Ctrl+Alt+Del key combination or screen saver. When locking your computer, you can follow the steps below: Right-click on the Windows XP desktop, then select "New" /"Shortcut" in the context menu, then follow the on-screen instructions in the command Enter the "rundll32.exe user32.dll, LockWorkStation" command character in the text box of the line, and then enter the specific name of the corresponding shortcut in the subsequent wizard window. Here, for the convenience of calling later, you can directly take the shortcut for the shortcut. It's ok to call "lock the computer." In the future, you can achieve the purpose of locking by simply double-clicking "Lock Computer" on the desktop. Enabling the power protection function To enable the power protection function, you can use the mouse to click "My Computer" /"Control Panel" /"Power Options" on the Windows XP desktop, and select the "Advanced" tab in the pop-up settings box. Under the corresponding tab page, find the "When the computer power button is pressed" setting item, and then select the "Hibernate" or "Ask me what to do" option in the settings box. If you select the "Shutdown" option, it is equivalent to Enable power protection. Enabling the screen saver at any time The screen saver will only be launched when the computer has not been operated for a pre-set time. What if we want to start the screen saver at any given time? We can do this by following the steps below: In the Windows XP Start menu, click "Start" /"Search" /"Files or Folders", then in the pop-up search dialog, click "All files and Type "folder" and enter the "*.scr" character in the text box of the corresponding file name. In the search range drop-down list, select the drive where the system file is stored on the computer, and finally click the "Search" button. Then in the list of screen savers found, select the desired screen saver, and then create a shortcut for the screen saver on the desktop. When you start the screen saver, double-click the screen saver shortcut on the desktop.