Playing from file wont work (1 Viewer)

[karlm]

TV-Server Version: n/A
MediaPortal Version: Latest
MediaPortal Skin: Standard
Windows Version: XP PRO
CPU Type: C@D 4400
HDD: 500 gb spinpoint
Memory: 2mb 6400 corsair
Motherboard: Gigabyte g33m s2
Motherboard Chipset: intel 775
Motherboard Bios: Gigabyte
Video Card: sapphire 2600 pro
Video Card Driver: Latest ati version
Sound Card: High definition 7.1 audio
Sound Card AC3:
Sound Card Driver:
1. TV Card:
1. TV Card Type:
1. TV Card Driver:
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 fusion
Cooling:
Power Supply: Antec
Remote:
TV:
TV - HTPC Connection:



Hi all i am trying to play .vob files they used to work but now i get a black screen with no audio even the preview window dosent work dvds from the drive will play fine. Other players can play the .vob files fine also.

I have unistalled all my codecs and reinstalled media portal but i still get a black screen when i try and play the file anyone got any ideas?

What log files should i post that will hellp

thanks