The VI I made use ActiveX properties to run the application NetMeeting (from Windows). It works properly with Labview 6i, but not with the Labview Player : error 1043, Unknown System????
LabVIEW player does not support ActiveX. Go to the LabVIEW Player Information page at http://www.ni.com/labview/lv_player2.htm#q3 to see what it does support.