title: ActiveX Control in 64 bit windows
body: <p>For 64bit OS, out C# App will use BeauGague ActiveX Control (<a href="http://www.beaugauge.com" rel="nofollow noreferrer">www.beaugauge.com</a>).
  <img src="https://i.stack.imgur.com/7UrzX.png" alt="enter image description here"></p>
  
  <p>Compile successfully, but display error “HRESULT:0x80040154 (REGDB_E_CLASSNOTREG)” when running.
  What can I do resolve the problem?</p>