try either of these
Code:
RUN '%COMSPEC% /C START /MAX ""C:\Program Files\Microsoft Office\Office\MSACCESS.EXE" C:\TMSSql\TMSSQLFEWG.mde /wrkgrp T:\tmssys.mda"'
RUN '%COMSPEC% /C START /MAX C:\Progra~1\Micros~1\Office\MSACCESS.EXE" C:\TMSSql\TMSSQLFEWG.mde /wrkgrp T:\tmssys.mda'
