Jump backward in PCR and TV client stop (1 Viewer)

[cokyc]

TV-Server Version:16401
MediaPortal Version: rc3
MediaPortal Skin: blue two
Windows Version: xp sp2
CPU Type: p4 1800
HDD: 40 gb
Memory: 1 Gb
Motherboard:
Motherboard Chipset:
Motherboard Bios:
Video Card: ati M 7500
Video Card Driver: last
Sound Card:
Sound Card AC3:
Sound Card Driver:
1. TV Card: Technotrend usb Tv stick
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: mpv
MPEG2 Audio Codec: mpa
Satelite/CableTV Provider:
HTPC Case:
Cooling:
Power Supply:
Remote:
TV:
TV - HTPC Connection:


I have tried a multiseat config and I have noted that the video and audio in MP client stop working after about 1 minute. Also the net stream stop with zero bandwidth. In the ts writer log , last fews rows are:

31-10-2007 17:24:48 Jump backward in PCR detected! prev 0 days 22:05:30 658 new 0 days 03:07:35 614 diff 0 days 18:57:55 44 - pid:200
31-10-2007 17:24:59 Jump backward in PCR detected! prev 0 days 03:07:46 725 new 0 days 01:53:28 258 diff 0 days 01:14:18 466 - pid:200
31-10-2007 17:24:59 Jump forward in PCR detected! prev 0 days 01:53:28 258 new 0 days 03:07:46 787 diff 0 days 01:14:18 528 - pid:200

This happens for all channels.

See server Logs