Could not install package 'Microsoft.Owin.Security 2.1.0'

Question

Hii...

 

Guys I am Using VS 2010 and trying to install "Microsoft ASP.Net signalr" library in my C# Application to build Signalr application But it gives me following error..

 

 

Install failed. Rolling back...

 

Could not install package 'Microsoft.Owin.Security 2.1.0'. You are trying to install this package into a project that targets '.NETFramework,Version=v4.0', but the package does not contain any assembly references that are compatible with that framework. For more information, contact the package author.

  

Even I tried it with 

 

Package manager console...

it gives same error....

 

 I try to add framework 4.5 in VS but it not possible for that I have installed MS VS 2010 Service pack 1 but still its not working... 

 

I am attaching screenshot for reference, Kindly help me out with solution

 

Thanks in advance....!!!