Windows Game developing Error to run-time could not load Microsoft.Xna.Framework.Content.Pipline
===

i am simply create one windows game project and run without any change of that project, i am getting this type of error

**Error	1**	

> The "BuildContent" task could not be loaded from the assembly
> Microsoft.Xna.Framework.Content.Pipeline, Version=3.0.0.0,
> Culture=neutral, PublicKeyToken=6d5c3888ef60e27d. Could not load file
> or assembly 'Microsoft.Xna.Framework, Version=3.0.0.0,
> Culture=neutral, PublicKeyToken=6d5c3888ef60e27d' or one of its
> dependencies. The system cannot find the file specified. Confirm that
> the <UsingTask> declaration is correct, and that the assembly and all
> its dependencies are available.	WindowsGame1

i don't know the details for above one. please help i am beginner of that game developing,
please don't mistake me about that question



