solved, I don't know how, but now work all ok.
bye.

Hi, I have win 7 64bit with skystar 2hd and orignal drivers of this, I have installed ProgDVB x32 6.63.7, and acamd 6.18, but the box plugin of progdvb is always blocked, i Have installed also other version of progdvb but it's the same.
It's very strange because yesterday I have installed a unknow ...