Problem with preview in TV Master Server (1 Viewer)

[BenGonGon]

MediaPortal Version: 1.1.0 RC6
MediaPortal Skin:
Windows Version: XP 32 SP3 Fr
CPU Type: intel P4 3GHz Hyperthread
HDD: Samsung 250G IDE
Memory: 1 Go PC3200 Non-ECC
Motherboard: ASUS P4S800
Video Card: Nvidia GeForce 6200
Video Card Driver: NVIDIA 6.14.11.9621
Sound Card: Hercules Gamesurround Fortissimo II
Sound Card AC3: ???
Sound Card Driver: Hercules 5.12.1.4102
1. TV Card: Hauppauge WinTv HVR-900
1. TV Card Type: analog
1. TV Card Driver: Hauppauge 5.10.325.28153
2. TV Card: Pinnacle PCTV 330e
2. TV Card Type: analog
2. TV Card Driver: Pinnacle Systems 5.7.803.0
3. TV Card: Hauppauge WinTV 878/9 WDM video driver
3. TV Card Type: analog
3. TV Card Driver: 3.49.24025.0
4. TV Card:
4. TV Card Type:
4. TV Card Driver:
MPEG2 Video Codec: ???
MPEG2 Audio Codec: ???
h.264 Video Codec: ???
Satelite/CableTV Provider: Cablecom
HTPC Case:
Cooling:
Power Supply:
Remote:
TV:
TV - HTPC Connection:

Hello,
I have find the frequece list for my region.
the table frequency is good I have check some.
(I can give the exported if someone need[total.xml])
But each time I test to see it with HVR-900 in preview mode in server.
The first choiced channel is ok but after I need to restart TVService for see the next in preview.
Who can help me?

 

[BenGonGon]

I have found a solution for my problem.
I come here for share it with you all.

1° - uninstall all mediaportal stuff
2° - reboot
3° - Install BeyondTV

By this way, that's work for me.