skystar2 remote control (usb) don't work after media portal start (1 Viewer)

[gpap]

TV-Server Version: rc1
MediaPortal Version: rc1
MediaPortal Skin: Bluetwo
Windows Version: win xp sp2
CPU Type: amd 64 core duo
HDD: 120GB ide
Memory: 2 GB
Motherboard: asus m2n-vm hdmi
Video Card: onboard
Video Card Driver: nvidia
Sound Card: onboard
Sound Card AC3:
Sound Card Driver: realteck
1. TV Card: Skystar 2 ver2.7
1. TV Card Type: DVB-S
1. TV Card Driver: 4.4.1
2. TV Card:
2. TV Card Type:
2. TV Card Driver:
3. TV Card:
3. TV Card Type:
3. TV Card Driver:
4. TV Card:
4. TV Card Type:
4. TV Card Driver:
MPEG2 Video Codec:
MPEG2 Audio Codec:
h.264 Video Codec:
Satelite/CableTV Provider:
HTPC Case:
Cooling:
Power Supply:
Remote: skystar 2 tecnisat tts35ai
TV: samsung lcd 40inc 1080p
TV - HTPC Connection: svga

he problem is that after Media portal starts my remote contron don't work so i have to unplug the usb and plug it again , so everything it's ok...
any suggestion???
Thanks