Mp + StreamedMp doesn't respond on basic home (1 Viewer)

[sturby]

MediaPortal Version: 1.1.2
MediaPortal Skin: StreamedMP
Windows Version: Seven 32bit
CPU Type: quadCore
HDD: 1T
Memory: 3Gb
Motherboard: Asus
Video Card: Ati 4600
Video Card Driver: 10.12
Sound Card:
Sound Card AC3:
Sound Card Driver:
1. TV Card: Hvr1300
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:
h.264 Video Codec:
Satelite/CableTV Provider:
HTPC Case:
Cooling:
Power Supply:
Remote:
TV:
TV - HTPC Connection:

Hi
sometimes, specially on return from standby, when i'm in home basic menu and choose one of the different link to another area (tv, series, movies) mp seems to freeze.
On taskmanager mp doesn't respond....
I've checked log files but nothing.....any solutions?

--Marco