Hi Andrew, thanks a lot for your help
1. virtuoso -nocdsinit: the result is the same. there is no additional menus
2. $ASSURAHOME: yes, it is poiting to an IC51 version
declare -x ASSURAHOME="/cad/cadence/ASSURA4.10.005_IC5.1.41.lnx86"
3. "cdswhich -all menus": the result is
Info (cdswhich): 'menus' was not found
What elso should I do? Please help !