StartupShorctcut.iss

[Icons]
//Name: "{userstartmenu}\Ubuntu"; Filename: "{app}\ubuntu1804.exe"

[Code]
procedure CurStepChanged(CurStep: TSetupStep);
var
  ResultCode: Integer;
 begin
  if CurStep = ssPostInstall then
  begin
    FileCopy(ExpandConstant('{app}\ubuntu1804.exe'), ExpandConstant('{userstartmenu}\Ubuntu'), False);
  end;
 end;