>When using the new report engine as in

>set reportbehaviour 90

>it seems to be necessary to use the NOWAIT phrase in the report command as in

>report form rptTurns for recno()=thisrec and between(hour(turns._time),7,9) to printer prompt preview noconsole nowait

>Leaving the NOWAIT out prevents the toolbar from becoming active and stalls the program.

That doesn't sound right: have you tested with a simpler scenario?