.Net Framework 4 安装失败 HRESULT 0xC80003F3

下面写进批处理脚本；以管理员身份执行；
*******Start File Below********

regsvr32 MSXML3.dll /s
net stop wuauserv
cd /d %windir%\SoftwareDistribution
rd /s /q DataStore
net start wuauserv 
regsvr32 softpub.dll 
regsvr32 mssip32.dll

******End File Above*******

Go to services and stop the Windows Update service

Go to the Windows directory (default is c:\Windows) and rename the "SoftwareDistribution" folder to "SoftwareDistribution.old"

Go to services and start the Windows Update service

关闭windows update服务；

切到c:\Windows目录，文件夹SoftwareDistribution重命名为SoftwareDistribution.old

启动windows update服务；

然后重新安装吧。