Visual Studio error “Object reference not set to an instance of an object” after install of ASP.NET and Web Tools 2015

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名媛妹妹
名媛妹妹 2020-11-27 10:37

After installing the ASP.NET and Web Tools 2015 (RC1 update 1) I get the following error within ASP.NET MVC 4 projects when opening *.cshtml files:

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  •  栀梦
    栀梦 (楼主)
    2020-11-27 11:07

    Maybe this helps:

    1. Delete the contents from the following folders:
      1. C:\Users\%userprofile%\AppData\Local\Microsoft\VisualStudio
      2. C:\Users\%userprofile%\AppData\Local\Microsoft\VSCommon
    2. Sometimes, you need to go to:
      1. [x64] C:\Program Files (x86)\Microsoft Visual Studio 14.0\Common7\IDE
      2. [x86] C:\Program Files\Microsoft Visual Studio 14.0\Common7\IDE

    and run devenv /resetuserdata.

    Expect, that all of your user settings such as Visual Studio layout, linked Microsoft account or start page might disappear.

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