net framework 4.5.1安装严重错误

Question

Installation Log
Message Types: Errors Verbose Messages
Message Details: Date Time
© 2009 Microsoft Corporation. All rights reserved. Terms of Use.
OS Version = 6.1.7601, SP = 1.0, Platform 2, Service Pack 1
OS Description = Windows 7 - x86 Ultimate Edition Service Pack 1

MSI = 5.0.7601.17807
Windows version = x86_windowsfoundation_31bf3856ad364e35_6.1.7600.16385_none_03103096f1ed527c.manifest
Windows servicing = 6.1.7601.17592

CommandLine = E:\022383814e2d66e91b1256\\Setup.exe /x86 /x64 /redist

Using Simultaneous Download and Install mechanism

Operation: Installing

Package Name = Microsoft .NET Framework 4.5.1 Setup
Package Version = 4.5.50938

User Experience Data Collection Policy: Disabled

Number of applicable items: 12

Exe (E:\022383814e2d66e91b1256\SetupUtility.exe) succeeded.
Exe Log File: dd_SetupUtility.txt

ServiceControl operation succeeded!

ServiceControl operation succeeded!

Exe (E:\022383814e2d66e91b1256\SetupUtility.exe) succeeded.
Exe Log File: dd_SetupUtility.txt

MSI (E:\022383814e2d66e91b1256\netfx_Full_GDR_x86.msi) Installation failed. Msi Log: Microsoft .NET Framework 4.5.1 Setup_20140526_174624704-MSI_netfx_Full_GDR_x86.msi.txt

Exe (E:\022383814e2d66e91b1256\SetupUtility.exe) succeeded.
Exe Log File: dd_SetupUtility.txt

MSI (E:\022383814e2d66e91b1256\netfx_Full_GDR_x86.msi) Installation failed. Msi Log: Microsoft .NET Framework 4.5.1 Setup_20140526_174624704-MSI_netfx_Full_GDR_x86.msi.txt

Final Result: Installation failed with error code: (0x80070643), "安装时发生严重错误 " (Elapsed time: 0 00:02:32

Answer 1

安装没多久自动回滚，提示安装失败，去官网查的，按以下做了就OK了。
1、开始->运行->net stop WuAuServ
2、开始->运行->%windir%
3、将文件夹SoftwareDistribution重命名为SDold
4、开始->运行->net start WuAuServ
之后再重新装 就能装了，我的已经装好了，不知道你的是不是也能解决

追问

没用啊