Problem with HPL....

[Ratedrm]

Hey guys,
I started to work with the HPL Editor ...
and now im facing one BIG problem that's blocking me!

im using windows Vista 32bit (desktop)
now when im in the editor trying to create a floor for example so i click on the premitives and i go to the mansionbase folder.....WOOPS GOT NOTHING!!!!!!!!
how is it possible? imean WTF lol i got all the files but seems like noting in the HPL how can i solve this problem guys? its really driving me crazy....