A recent question from a support ticket:
"Is it possible that since we use a launcher window oursleves - can this be embedded into the dispatch too? i.e. save an extra window open."
And below, my answer that I think will apply generally:
a) One option, if it's available, is to set the launch behavior of your LMS to launch in the current window, which should prevent the dispatch SCO from opening in a new window. b) You can also embed the course in the dispatch window using a package property for the course on it's course page in the SCORM Cloud website at cloud.scorm.com. To do so, go to the course page for your course, go down to the "Course Properties" section, open it using the "Show Course Properties" link, click the "Launch Behavior" tab and change the "SCO Launch Type" option from "New Window" to "Frameset".