then for what is option "Analog TV" present ?

hello, today I was trying to test ProgDVB with an Analog TV USB (MyGica U6813).

I installed ProgDVB only selecting Analog TV:
http://i49.tinypic.com/11v7479.gif

and after installed, when I execute it, ProgDVB start to consume all CPU :S and my pc is freezed.

http://i46.tinypic.com/29cw6d5.gif ...