未能添加对“Newtonsoft.Json"的引用 [英] Failed to add reference to 'Newtonsoft.Json'

问题描述

我刚刚在我的 PC 上安装了 Windows 8 并下载了适用于 Windows 8 的 Microsoft Visual Studio Express 2012.已更新和所有内容，当我尝试通过包管理器控制台安装任何东西时，我收到以下错误:

I just installed Windows 8 on my PC and downloaded Microsoft Visual Studio Express 2012 for Windows 8. Updated and everything, and when I try to install anything thru Package Manager Console, I get following error:

PM> Install-Package Parse
Attempting to resolve dependency 'Newtonsoft.Json (≥ 4.5.9)'.
Successfully installed 'Newtonsoft.Json 4.5.11'.
Successfully installed 'parse 1.0.5'.
Successfully uninstalled 'Newtonsoft.Json 4.5.11'.
Install failed. Rolling back...
Install-Package : Failed to add reference to 'Newtonsoft.Json'.
At line:1 char:1
+ Install-Package Parse
+ ~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Install-Package], InvalidOperationException
    + FullyQualifiedErrorId : NuGetCmdletUnhandledException,NuGet.PowerShell.Commands.InstallPackageCommand

有谁知道如何解决这个错误?

Does anyone know how to fix this error?

谢谢，杰克

推荐答案

检查您是否已经在 packages.config 中添加了 Newtonsoft.Json 引用.如果是，请删除 Newtonsoft.Json 条目并重试 Install-Package.

Check if you already have Newtonsoft.Json reference added in packages.config. If yes, delete Newtonsoft.Json entry and retry Install-Package.

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