MP crashes when changing channels (1 Viewer)

[htpcchap]

TV-Server Version:
MediaPortal Version: 0.2.3.0
MediaPortal Skin: Blue
Windows Version: Windows XP SP2
CPU Type: Pentium 4, 3.2Ghz with HT
HDD: 40GB
Memory: 1.5GB
Motherboard: Intel D101GGC
Motherboard Chipset: ATI
Motherboard Bios: Award Bios, version 03.13
Video Card: evga GeForce 8600GTS, 256MB, 128-bit, GDDR3, PCI-E x16
Video Card Driver: nvidia
Sound Card: Onboard
Sound Card AC3:
Sound Card Driver:
1. TV Card: Avermedia 780 dual TV Tuner
1. TV Card Type: TV
1. TV Card Driver: Avermedia latest
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:
Satelite/CableTV Provider:
HTPC Case: Antec
Cooling:
Power Supply: 430W
Remote: Windows Remote
TV:
TV - HTPC Connection: VGA

When changing channels, from SD to HD, MP freezes. I have to press ctl-alt-del to stop MP. Any ideas ? Reading earlier posts I had stopped EPG grabbing etc but same behaviour. I have attached logs. Any ideas ??

 

[htpcchap]

Logs attached

Sorry I forgot to attach logs.