Error Method not found: '!!0[] System.Array.Empty()'. or Microsoft.VisualStudio.Web.PageInspector.Runtime

this error showing then try below code Method not found: '!!0[] System.Array.Empty()'. or Microsoft.VisualStudio.Web.PageInspector.Runtime

this work for me

<compilation targetFramework="4.5"> 
    <assemblies> 
        <remove assembly="Microsoft.VisualStudio.Web.PageInspector.Loader,
    Version=1.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
    </assemblies> 
</compilation>