Black Pictures On World Model ((SDK))

hello! when i put out a prop_physcic in my map and im gonna choose wich model to use when i click World Model and gonna look on the pictures they are just black i have followed some stuffs guys sayd on hlfallout such as delete source materials redownload SDK refresh SDK noone of theese worked does any1 here know how to fix it? i have downloaded it legally and it all started for 2 days ago when it was a update for SDK with face poser i belive

i have reinstalled....

oh sry im new ill post there to hope i can get some help