hi ... i buy a new card qbox USB 2 Dvb-S2 from shopdvb.ir i download and install a new driver TBSQBOX2Driver_V2.0.3.8 , just one port switch is ok and another port not work ... diseqc not work ...,i downgrade driver and tested previous version 2.0.3.6 and 2.0.3.5 and 2.0.3.0 signal and diseqc is ok ...