Have you tried commenting out all the returns and/or trapping for the value of @error @serror to see why USE was unsuccessful?
code:
Use LPT1: $lpt1 /persistent
if @error <> 0
"USE failed with error code "+@error+" "+@serror
endif



[ 11. November 2002, 22:25: Message edited by: Waltz ]
_________________________
We all live in a Yellow Subroutine...