错误创建新的MVC项目 - EF和JQuery [英] Error creating new MVC project - EF and JQuery

问题描述

每当我创建一个新的MVC项目，我得到一个错误 - 初始化失败PowerShell主机，为实体框架和jQuery。
错误：
下面的包无法从安装'C：\\ Program Files文件\\微软ASP.NET \\ ASP.NET MVC 4 \\包

Whenever I create a new MVC project, I am getting an error - failed to initialize Powershell host, for the entity framework and Jquery. The error: The following packages failed to install from 'C:\Program Files\Microsoft ASP.NET\ASP.NET MVC 4\Packages'

EntityFramework.5.0.0：无法初始化PowerShell主机。如果你的PowerShell执行策略设置为使用AllSigned，打开包管理器控制台首先初始化主机。

EntityFramework.5.0.0: Failed to initialize the Powershell host. If your powershell execution policy setting is set to AllSigned, open the package manager console to initialize the host first.

jQuery.1.7.1.1：无法初始化PowerShell主机。如果你的PowerShell执行策略设置为使用AllSigned，打开包管理器控制台首先初始化主机。

jQuery.1.7.1.1: Failed to initialize the Powershell host. If your powershell execution policy setting is set to AllSigned, open the package manager console to initialize the host first.

我可以删除实体框架参考，并手动添加它，这是一个很好的解决办法，但它很讨厌和地方的一些问题的征兆。任何想法去哪里找？

I can remove the Entity Framework reference, and add it manually, which is a good workaround, but it is annoying and a sign of some problem somewhere. Any ideas where to look?

此链接记录了类似的问题和解决方法：
<一href=\"http://social.msdn.microsoft.com/Forums/en/vssetup/thread/c934fed4-e44e-4a06-9e3b-eccb9c8aa8d6\">http://social.msdn.microsoft.com/Forums/en/vssetup/thread/c934fed4-e44e-4a06-9e3b-eccb9c8aa8d6

This link documents a similar problem and workaround: http://social.msdn.microsoft.com/Forums/en/vssetup/thread/c934fed4-e44e-4a06-9e3b-eccb9c8aa8d6

推荐答案

其中MSDN线程的答复为我工作。运行PowerShell中以管理员身份运行以下命令：

One of the replies on the MSDN thread worked for me. Run PowerShell as an Administrator and run the following command:

Set-ExecutionPolicy AllSigned

请参阅使用Set-ExecutionPolicy cmdlet来的安全问题。

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