Solution:- Edit .csproj file add <RuntimeIdentifier>win7-x86</RuntimeIdentifier>
<PropertyGroup>
<TargetFramework>net451</TargetFramework>
<TypeScriptCompileBlocked>true</TypeScriptCompileBlocked>
<PackageTargetFallback>$(PackageTargetFallback);portable-net45+win8+wp8+wpa81;</PackageTargetFallback>
<RuntimeIdentifier>win7-x86</RuntimeIdentifier>
</PropertyGroup>