Unable to locate or start COM engine on ‘Local Machine’

- February 26, 2020 at 3:57 pm
  
  Han-yu
  Subscriber
  
  The situation started two days ago, my computer failed to analyze my HFSS model.
  
  And the error message shows as below:
  
  Hanyu_WR5_P5_EplaneWaveguide_Feb2020 (EHFSSProject/)
  
  [info] (Materials) air can be updated with a newer definition from the Materials library. To update, go to Tools->Project Tools->Update Definitions dialog and select "Show Items with newer definitions". (10:436 AM Feb 26, 2020)
  
  wr5p2_Cap_Connect_Substrate_ Connect_143.5um 50umClamp (DrivenModal)
  
  [error] Unable to locate or start COM engine on 'Local Machine' : no response from COM engine, timed out (10:45:12 AM Feb 26, 2020)
  
  [error] Unable to locate or start COM engine on 'Local Machine' : no response from COM engine, timed out (10:49:27 AM Feb 26, 2020)
  
  [error] Unable to locate or start COM engine on 'Local Machine' : no response from COM engine, timed out (10:53:40 AM Feb 26, 2020)
  
  Could anyone teach me how to fix it?
  
  Thank you very much.