1. In Settings->TV Sources.
The Option "Not start more one device at once" is only available in the "Properties" Dialog of a activated Device. The "Properties" Button is only availabe if the Device is activated

But after normal Installation, there is no change to activate any Device to reach the ...

Ok, this works now!

But for other users with this Card it could be difficult.
After a normal installation, the user can't start any device.
This is because if no Device is started the Options Menu is not available!
After this normal installation, the user cannot start the DVB-S2 Device to select ...

With DLL
1. Try to activate Device for DVB-S2
Result: Device not started! Error

2. Try to activate Device for DVB-T
Result: ProgDVB crashes (Windows known "Close Program" or "Debug" Options available)

Without DLL (deleted):
1. Try to activate Device for DVB-S2
Result: Device not started! Error ...

I have to correct myself.
This only happens while activating the DVB-T Device. After i deleted the irremote.dll, the device started.
But with Versions > 6.60.07 my DVB-S2 Device is not working. (Device not started Error)

Hope this helps

Exact same Situation with Hauppauge WinTV HVR-4400 (Model 121xxx, Hybrid DVB-T/S2, 888, IR)
ProgDVB crashes if I click to activate BDA Device. Only Debug or Closing is possible.

Last working Version is 6.60.07

My current System:
Windows 7 Ultimate 64bit
Hauppauge WinTV HVR-4400 (Model 121xxx ...