After the simple installation but there were problems with constant interruptions from image and Ton.Auch updating the graphics card driver (Radeon 9800 SE) brought no improvement.
How could it be that the stick works great for many, and others not at all?
Did the part already returning because I brought a friend to the idea, it could be the USB interface, which causes problems.
It was indeed again the based on a VIA chip USB interface that is causing the problem. Moving it to an existing USB expansion card by NEC brought a great reception with no problems!
The fact that the sparse FAQ's on the Hauppauge-support side this surely known problem is not listed, it matters that I forgive only four stars!
Josef Erl