I would recommend that you first try using DirectRT 2014 with Windows 7 to see if that takes care of the errors. It was built to work best with Windows 7, whereas 2004 predates even Windows XP. You can download a copy of DirectRT 2014 from our download page (http://empirisoft.com/Download.aspx?index=4) and ask John for a 21-day free trial license when you send him the 14 digit code at service@empirisoft.com.