Visual studio 2012 通过nuget安装ReactiveUI时出现问题

我有一个基本上为空的VS2012类库项目，我正试图将ReactiveUI添加到该项目中。我已经使用Nuget安装了NLog和反应式扩展。当我尝试安装ReactiveUI 3.99时，我得到以下错误日志

更新：我能够在没有Nuget的情况下手动添加ReactiveUI引用，它们似乎工作正常

------- Installing...reactiveui 3.99.4-beta -------
Attempting to resolve dependency 'reactiveui-core (= 3.99.4-beta)'.
Attempting to resolve dependency 'Rx-Main (= 2.0.20823)'.
Attempting to resolve dependency 'Rx-Interfaces (≥ 2.0.20823)'.
Attempting to resolve dependency 'Rx-Core (≥ 2.0.20823)'.
Attempting to resolve dependency 'Rx-Linq (≥ 2.0.20823)'.
Attempting to resolve dependency 'Rx-PlatformServices (≥ 2.0.20823)'.
Attempting to resolve dependency 'reactiveui-nlog (= 3.99.4-beta)'.
Attempting to resolve dependency 'NLog (≥ 2.0.0.2000)'.
Attempting to resolve dependency 'reactiveui-xaml (= 3.99.4-beta)'.
Attempting to resolve dependency 'Rx-Xaml (= 2.0.20823)'.
Attempting to resolve dependency 'reactiveui-testing (= 3.99.4-beta)'.
Attempting to resolve dependency 'Rx-Testing (= 2.0.20823)'.
'reactiveui-core 3.99.4-beta' already installed.
'reactiveui-nlog 3.99.4-beta' already installed.
'Rx-Xaml 2.0.20823' already installed.
'reactiveui-xaml 3.99.4-beta' already installed.
'Rx-Testing 2.0.20823' already installed.
'reactiveui-testing 3.99.4-beta' already installed.
'reactiveui 3.99.4-beta' already installed.
Added file 'packages.config'.
Added file 'packages.config'.
Failed to add reference to 'ReactiveUI'.
==============================

以下是我的项目文件的参考：

  <ItemGroup>
    <Reference Include="NLog">
      <HintPath>..\packages\NLog.2.0.0.2000\lib\net40\NLog.dll</HintPath>
    </Reference>
    <Reference Include="PresentationCore" />
    <Reference Include="System" />
    <Reference Include="System.Core" />
    <Reference Include="System.Reactive.Core">
      <HintPath>..\packages\Rx-Core.2.0.20823\lib\Net45\System.Reactive.Core.dll</HintPath>
    </Reference>
    <Reference Include="System.Reactive.Interfaces">
      <HintPath>..\packages\Rx-Interfaces.2.0.20823\lib\Net45\System.Reactive.Interfaces.dll</HintPath>
    </Reference>
    <Reference Include="System.Reactive.Linq">
      <HintPath>..\packages\Rx-Linq.2.0.20823\lib\Net45\System.Reactive.Linq.dll</HintPath>
    </Reference>
    <Reference Include="System.Reactive.PlatformServices">
      <HintPath>..\packages\Rx-PlatformServices.2.0.20823\lib\Net45\System.Reactive.PlatformServices.dll</HintPath>
    </Reference>
    <Reference Include="System.Xml.Linq" />
    <Reference Include="System.Data.DataSetExtensions" />
    <Reference Include="Microsoft.CSharp" />
    <Reference Include="System.Data" />
    <Reference Include="System.Xml" />
    <Reference Include="WindowsBase" />
  </ItemGroup>

..\packages\NLog.2.0.0.2000\lib\net40\NLog.dll
..\packages\Rx Core.2.0.20823\lib\Net45\System.Reactive.Core.dll
..\packages\Rx Interfaces.2.0.20823\lib\Net45\System.Reactive.Interfaces.dll
..\packages\Rx Linq.2.0.20823\lib\Net45\System.Reactive.Linq.dll
..\packages\Rx PlatformServices.2.0.20823\lib\Net45\System.Reactive.PlatformServices.dll

目前这是一个bug，创建一个.NET 4.0项目或WinRT项目，它就会工作。很抱歉

更新：这一问题现已解决，请查看ReactiveUI 4.0预览版5