Windows Registry Editor Version 5.00 [HKEY_CURRENT_USER\Software\Autodesk\DwgCommon\shellex\apps\{56A0F03C-50A5-425e-B919-1E5E40FA0168}:ACADMPP] "OpenDdeSvc"="AutoCAD.r18.DDE" "PrintDdeSvc"="AutoCAD.r18.DDE"