title: How to install . NET Programmability Support in office 2010
body: <p>I have struggled to install .NET Programmability Support in office 2010.</p>
  
  <p>I have done it through "programs and features" , but still I see  a red "X" then it saying "Not available". </p>
  
  <p>Would you please help me to install .NET Programmability Support in Office 2010</p>