>This morning I launched VFP and typed these 2 lines :
>
>set defa to c:\ddrive\temp
>modi comm multilevel
>
>and got error message stating "c:\ddrive\temp\multilevel.prg doesn't exist" :)
>Of course couldn't get it a second time. An error when there is no error :)
>Cetin

You should re-install VFP (better install VFP7), and if it would not help, re-intsall OS. If it would not help either, it's time for upgrade your computer. If this command would not work on the new computer as well, you may try to work on your first profession and earn money on psycology :)