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Khi bạn cài đặt các thành phần hệ điều hành mới sau khi một gói dịch vụ đã được cài đặt, cài đặt đòi hỏi cả hệ thống điều hành và các tập tin cài đặt gói dịch vụ. Điều này cho phép cài đặt để cài đặt các phiên bản cập nhật của các thành phần. Add / Remove Programs trong Control Panel hoặc từ một dòng lệnh bằng cách chạy Spuninst.exe từ% | Lesson 6 Activating and Updating Windows XP Professional 2-49 When you install new operating system components after a service pack has been installed Setup requires both the operating system and service pack installation files. This allows Setup to install the updated version of the component. To Uninstal a Service Pack By default the service pack setup program automatically creates a backup of the files and settings that are changed during the service pack installation and places them in an uninstall folder named NTServicepackUninstall in systemroot . You can uninstall the service pack through Add Remove Programs on Control Panel or from a command line by running Spuninst.exe from the systemroot NTServicepackUninstall Spuninst folder. Note If you installed a service pack without creating a backup you cannot uninstall the service pack. Practice Configuring Automatic Updates In this practice you will configure Automatic Updates to download and install critical updates automatically. 1. From the Start menu click Control Panel. 2. In the Control Panel window click Performance And Maintenance. 3. In the Performance And Maintenance window click System. 4. On the Automatic Updates tab click the Automatic option. 5. Click OK. Lesson Review Use the following questions to help determine whether you have learned enough to move on to the next lesson. If you have difficulty answering these questions review the material in this lesson before beginning the next lesson. You can find answers to these questions in the Questions and Answers section at the end of this chapter. 1. A n is a collection of all updates released to a particular point and often includes new features. 2. What is the recommended way to configure the Automatic Updates feature in Windows XP 2-50 Chapter 2 Installing Windows XP Professional 3. For how many days does Windows XP function if you do not activate Windows or are not part of a volume licensing agreement Choose the correct answer. a. 10
