MP crashing after a few channel changes (2 Viewers)

[joystick]

TV-Server Version: TVE3 stable latest svn
MediaPortal Version: 0.2.3. stable latest svn
MediaPortal Skin: waiting for Foofaraw
Windows Version: Vista Ultimate
CPU Type: Intel C2D 6550
HDD: 2 x Samsung 500GB
Memory: DDR2 3GB
Motherboard: AUSUS P5K-E WiFi AP
Motherboard Chipset: Intel P35
Motherboard Bios:
Video Card: His Radeon HD2600 Pro
Video Card Driver: 7.9
Sound Card: Realtech onboard
Sound Card AC3: Optical out
Sound Card Driver:
1. TV Card: FireDTV
1. TV Card Type: DVB-C
1. TV Card Driver: latest stable
2. TV Card: KNC-One
2. TV Card Type: DVB-C
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: PDVD 7.3 Ultra
MPEG2 Audio Codec: PDVD 7.3 Ultra
Satelite/CableTV Provider: Kabel Deutschland
HTPC Case: Zalman HD160 incl. Irtrans
Cooling: Fan
Power Supply: Nesteq 500 Watts silent
Remote: Logitech Harmony 525
TV: Samsung Plasma 50''
TV - HTPC Connection: DVI->HDMI

Hi all,

I experience these problems since the last few builds:
after changing channels a few time (mostly between scrambled and unscrambled) MP just crashes to the desktop (Vista says : Application is not risponding)

please help

logs attached

cheesr
joystick

 

[joystick]

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