mp killing network on file server (1 Viewer)

[electroMP]

MediaPortal Version:
Windows Version:
CPU Type:
HDD:
Memory:
Motherboard:
Motherboard Chipset:
Motherboard Bios:
Video Card:
Video Card Driver:
Sound Card:
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:
Cooling:
Power Supply:
Remote:
TV:
TV - HTPC Connection:

everything running beautifully for past year, separate pc in lounge with multiple pcs wth different shared media drives, updated recently and now find one of my win xp boxes with video files terminates a w32 host program and kills network sharing, anyone else have this problem?
cheers.

 

[NLS]

are you sure this is MP related?
did other tests from other computers?