yeaahhhhhhhhh it works !
thanks a lot, your answer was so simple, that i feel a little stupid now !!
anyway, thanks, you're the best !

hi !
i'm using sketchup7 on windows vista and i have a problem :
when i open my file, nothing shows, it seems empty !
i have to delete and put sketchup back each time i want to work on my model !

can somebody help me ??

thanks (and sorry for my english )