MP crashes when using Autotune (1 Viewer)

[octane81]

Hi guys, im having problems with MP crashes when I try to Autotune channels.
I starts to scan the freq to about 50mhz (after 2 seconds or so), and then it crashes.

Anyone got any ideas to fix it?

TV-Server Version: 2
MediaPortal Version: 0.2.3.0 RC3
MediaPortal Skin: Xface 1.2
Windows Version: XP SP2 English
CPU Type: Amd x64 dual core 2.2ghz
HDD: 40gb
Memory: 1gb
Motherboard: ABIT NF-M2 nView
Motherboard Chipset: NVIDIA® 6150/NF430
Motherboard Bios:
Video Card: ati sapphire 2400 HD PRO
Video Card Driver: 7.10
Sound Card:
Sound Card AC3:
Sound Card Driver:
1. TV Card: Hauppauge 150 PVR
1. TV Card Type:
1. TV Card Driver: 3.4d1