可以在XP SP3上安装，首先新建一个reg文件，使用注册表编辑器加入如下内容
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Windows XP\SP3\KB319740]
"Des cription"="Hotfix for Windows XP (KB319740)"
"InstalledDate"="1/19/2007"
"InstalledBy"="YourName"
"UninstallCommand"="C:\\WINDOWS\\$NtUninstallKB319740$\\spuninst\\spuninst.exe "
"Type"="Update"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Windows XP\SP3\KB319740\Filelist]

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Windows XP\SP3\KB319740\Filelist\0]
"FileName"="uxtheme.dll"
"Version"="6.0.2900.2523"
"BuildDate"="Thu Sep 23 21:16:59 2004"
"BuildCheckSum"="412c0"
"Location"="C:\\WINDOWS\\system32"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Windows XP\SP3\KB319740\Filelist\1]
"FileName"="uxtheme.dll"
"Version"="6.0.2900.2523"
"BuildDate"="Thu Sep 23 21:16:59 2004"
"BuildCheckSum"="412c0"
"Location"="C:\\WINDOWS\\system32\\DllCache"
然后保存，双击注册就可以了。