title: If I want to develop Layered Service Provider to support all Windows OS's, what problems should I expect?
body: <p>I want to develop simple HTTP filter (transparent proxy).</p>
  
  <p>I want it to support all versions of Windows including XP and above.</p>
  
  <p>From the folks that have experience with this, what problems should iIexpect when installing the service?</p>