You must have Windows XP SP2 installed before you apply this update.
意思是说，你要先安装sp2，才能安装这个更新。
If this issue has already occurred, uninstall this release candidate, install Windows XP SP2, and then reinstall the release candidate.
如果这个问题已经发生，卸载这个候选版本，安装Windows XP SP2，然后再重新发布的候选版本。
Microsoft has made new security and privacy enhancements in Windows XP SP2 to help better safeguard computers from hackers, viruses, and other online threats.
Microsoft在Windows XP SP2中提供了一些新的安全性和保密性增强功能，从而更好地保护计算机免受黑客、病毒以及其他联机威胁的攻击。
A client system running a supported Windows operating system (Windows XP SP2, Windows Vista, Windows 7, or Windows Server 2003) which has the following components installed.
客户端系统运行支持的Windows操作系统(Windows XP SP2、WindowsVista、Windows7或WindowsServer 2003)，并安装了以下组件。
Editor's Note: This article is based on Version 6.1 of the IBM Software Development Platform and Windows XP Professional SP2.
编者注：本文是基于IBM软件开发平台版本6.1以及Windows XPProfessional SP2的。
All the clients are Windows xp pro and they are running sp2 and are patched aswell.
所有的客户端Windows XP专业版，他们正在运行SP2和打补丁也。
All the clients are Windows xp pro and they are running sp2 and are patched aswell.
所有的客户端Windows XP专业版，他们正在运行SP2和打补丁也。
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