安装IIS时，总是提示无法复制staxmem.dll，导致无法安装IIS，但在C:"WINDOWS"ServicePackFiles"i386下，有这个文件，不可理解。不过，经过多次尝试终于找到解决办法，步骤是：
(1) 开始 > 运行 > 输入 CMD >再输入以下命令：
esentutl /p %windir%/security/database/secedit.sdb
(2) 接着屏幕上会输出如下信息:
Microsoft(R) Windows(R) Database Utilities Version 5.2
Copyright (C) Microsoft Corporation. All Rights Reserved.
Initiating INTEGRITY mode...
Database: L:"WINDOWS"security"database"secedit.sdb
Temp. Database: TEMPINTEG2680.EDB
Checking database integrity.
Scanning Status (% complete)
0 10 20 30 40 50 60 70 80 90 100
|---|---|---|---|---|---|---|---|---|---|
...................................................
Integrity check successful.
Operation completed successfully in 0.841 seconds.
(3)插入安装盘再试一下，问题解决了。
(1) 开始 > 运行 > 输入 CMD >再输入以下命令：
esentutl /p %windir%/security/database/secedit.sdb
(2) 接着屏幕上会输出如下信息:
Microsoft(R) Windows(R) Database Utilities Version 5.2
Copyright (C) Microsoft Corporation. All Rights Reserved.
Initiating INTEGRITY mode...
Database: L:"WINDOWS"security"database"secedit.sdb
Temp. Database: TEMPINTEG2680.EDB
Checking database integrity.
Scanning Status (% complete)
0 10 20 30 40 50 60 70 80 90 100
|---|---|---|---|---|---|---|---|---|---|
...................................................
Integrity check successful.
Operation completed successfully in 0.841 seconds.
(3)插入安装盘再试一下，问题解决了。