Why HFSS design properties are empty when I check some data of files?

dear friends im new in hfss and im asking about some files i download it from here but most of them when i want to check the data as i think i go to hfss design properties so i see its empty why its like that ... could any one help me by that and doest any one can help me by tutorial of how to simulate yagi antenna using hfss?
thanks

maybe u need the solution files..:)

i mean the directory of results..

that depends on uploader. if he/she uploads than u can load file and run. Try to download collection of hfss examples on the forums. they are working cos they have solutions..:)