Do the Trailer cards say "Trailer" with a blue stripe or are they only greyed out?
If they are only greyed out try a manual download (select a card and then click "Download her now".
If they have a blue stripe with "Trailer" on it then they are only trailers, which is weird.
Since you don't have many cards, you could also try to clean-up your installation (but first make a copy of your vghd folder in case you need to restore something):
- exit the program (first make sure that there are no downloads in progress)
- delete all folders beginning with a0 in \vghd\Models
- delete all folders beginning with a0 in \vghd\Data
- delete the file \vghd\models.lst
- open the program again and click "Check for updates" under "Download"
Usually deleting \vghd\models.lst is enough but since you have few cards I'd go for a full cleanup.
HOWEVER: I have noticed something strange in your collection: it says you have 9 cards but it shows only 6. Maybe you should contact support.