Problem AE dont see presets

[rude boy]

hi there
i have install a lot of preset in the right way (copy and paste the entire folder inside C:\Programmi\Adobe\Adobe After Effects CS3\Support Files\Presets

but when i start up after effect and i search the folder I FIND IT but there s only ONE of the preset in the entire folder .....why its keep in it doing?

thanks in advance
bye