根據微軟提供的數據，除了23項已經通過Windows更新發布的重要安全更新外，Vista SP1還包含了551項補丁修復內容。551項?這數字大么?

先回顧一下其前輩-XP的補丁情況。XP SP1在RTM之后14個月發布，24項安全更新和297項補丁修復;23個月之后的SP2包含60項安全更新，666項補丁修復。

根據補丁分布情況，IE毫無意外的高居榜首，其次則是電源管理、存儲、硬件及驅動。詳情如下：

補丁分布情況：

75 Internet Explorer

41 Sleep/Hibernation & Power Management

38 Storage

35 Hardware and Drivers

35 Networking

28 Desktop and Shell

25 Printing & Scanning Technologies

25 .NET Framework， Data Components， Development Tools

24 Setup， Deployment， Backup， and Activation

24 Windows Media Center

23 International/Localization

20 Computer Management， Administration， and Tools

19 Application Compatibility

19 Multimedia

16 Performance and Reliability

16 Startup/Shutdown

13 Time Zone/Daylight Saving Time

13 Windows Media Player and Related Technologies

12 Security

12 Remote Access， VPN

8 IIS and WebDAV issues

7 Wireless Networking

7 Offline Files

6 Windows Mail and Web-based Software

5 Windows Sidebar and SideShow

5 Windows Portable Devices