I made a very simple test. Just a "wait for key press" in the start script. The file is here:
<!--Saved by Quest 5.6.5783.24153-->
<asl version="550">
<include ref="English.aslx" />
<include ref="Core.aslx" />
<game name="simplecontinue">
<gameid>67733dac-5bf1-4966-b229-4ebecbf18800</gameid>
<version>1.0</version>
<firstpublished>2015</firstpublished>
<start type="script">
wait {
}
</start>
</game>
<object name="room">
<inherit name="editor_room" />
<object name="player">
<inherit name="editor_object" />
<inherit name="editor_player" />
</object>
</object>
</asl>
When I run it, I get this:
Do you get something different?