解决VS2015启动时Package manager console崩溃的问题

安装VS2015，启动以后，Package manager console崩溃，错误信息如下:

Windows PowerShell updated your execution policy successfully, but the setting is overridden by a policy defined at a more specific scope. Due to the override, your shell will retain its current effective execution policy of RemoteSigned. Type "Get-ExecutionPolicy -List" to view your execution policy settings. For more information please see "Get-Help Set-ExecutionPolicy".

Google以后，尝试了不少方式，在PowerShell中 setting execution policy , 修改注册表等，都没有解决。

后来发现这是Nuget的一个bug,并且已经修复了，需要重新安装Nuget, 步骤如下:

1. 打开Vs2015 Tools -> Extensions and Updates...  卸载 NuGet Package Manager for Visual Studio 2015.

2. 重启Visual Studio 2015.

3. 进入 Tools -> Extensions and Updates... 重新安装 NuGet Package Manager for Visual Studio 2015.

4. 重启Visual Studio 2015.

问题就解决了。 接下来就可以愉快的在Visual Studio 2015中使用 Package manager console 了