Visual Studio 2012-2013安装错误0x80070643 [英] Visual Studio 2012-2013 install error 0x80070643
问题描述
昨天我尝试安装MS Visual; Studio 2012.并出现错误："所需组件未正确安装"。我读了日志文件，发现错误代码（0x80070643）。我也尝试修复它，就像在这里说的那样：https：//support.microsoft.com/en-us/help/2899270/visual-studio-2013-setup-common-issues-and-workarounds。
Yesterday I tried to install MS Visual; Studio 2012. And got an error: "Required components weren't installed properly". I read the log file and found error code (0x80070643). I have also tried to fix it like it's said here: https://support.microsoft.com/en-us/help/2899270/visual-studio-2013-setup-common-issues-and-workarounds.
SHA-1代码有效。我不知道如何解决这个错误。 VS 2013安装失败并出现相同的错误。
SHA-1 code is valid. I don't know how to fix this error. VS 2013 setup fails with the same error.
操作系统：MS Windows 7
OS: MS Windows 7
安装日志：
推荐答案
欢迎到MSDN论坛。
Having a look at the thread: https://social.msdn.microsoft.com/Forums/vstudio/en-US/56214ef5-d8c2-4e98-bc6f-1023606bf67e/visual-studio-core-features-error-on-windows-7?forum=vssetup which has the similar issue with you.
仅此一项并未修复，但确实需要更改：
控制面板 - >添加/删除程序 - >转动Windows功能on或off-> Microsoft .NET Framework 3.5-> Windows Communication Foundation HTTP激活
Control Panel->Add/Remove Programs->Turn Windows features on or off->Microsoft .NET Framework 3.5-> Windows Communication Foundation HTTP Activation
，然后也从链接开始：
打开注册表，导航到[HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \Services\HTTP]：
$
a）双击Start并将值数据从4（禁用）更改为3（自动）。
b）删除" NoRun"密钥如果存在此密钥。
Open regedit, navigate to [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\HTTP]:
a) Double click on Start and change value data from 4(disabled) to 3(automatically).
b) Delete "NoRun" key if this key exists.
按照链接中的其他步骤以防万一，卸载/重新安装，但最后两步继续取消激活Windows通信基础HTTP激活，所以请记住重新开始。
Followed the other steps in the link just in case, to un-install/re-install but the last 2 steps proceeds to de-activate the windows communication foundation HTTP activation, so remember to start that up again.
祝你好运，
Joyce
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