Droping frames when remote enabled (1 Viewer)

[mvedrina]

MediaPortal Version: V1.1 Beta + latest SVN
MediaPortal Skin: Blue 3 wide
Windows Version: Windows 7
CPU Type: Intel Core2Duo E8400
HDD: Samsung 500GB
Memory: 4 (3,4) GB DDR2
Motherboard: Gigabyte EP43-DS3
Video Card: Sapphire ATI Radeon HD4890
Video Card Driver: 9.9
Sound Card: Integrated Realtek ALC888
Sound Card AC3: no AC3
Sound Card Driver: r2.31
1. TV Card: Hauppauge WinTV HVR-1300
1. TV Card Type: DVB-T, analog
1. TV Card Driver: 2.124.27191.1
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: Elecard Video Decoder
MPEG2 Audio Codec: MPC - MPA Audio Decoder
h.264 Video Codec: Cyberlink h264 Decoder 9
Satelite/CableTV Provider:
HTPC Case: CoolerMaster Centurion
Cooling: Scythe Kabuto
Power Supply: Corsair TX650
Remote:
TV:
TV - HTPC Connection: DVI

When Hauppauge remote built in support is activated, video is choppy when watching SD (both MPEG2 and H.264).
It doesn't happen when playing HD video.
No problem when Hauppauge native application in tray is active only.