once again thanks to Emmanuel for the help

as a more detailed explanation when I say everything has disappeared the plan is now just plain white with nothing else, no graph or furnishing etc that were imported ............ just nothing !!! vinnyk

just had a look and it is 3.1 is this any help

as a new starter I did a floor plan of my house and added the furniture etc but near the end everything just disappeared !!! I must have clicked something but I dont remember what...........any help/advice would be welcome. I use win 7. thanks vinnyk