deStatic installation acting up

Damn, deStatic installation is acting up. It currently runs allnight at Einstellungsraum Hamburg in the shopwindow but it seems to freeze sometimes. Actually the software is still running but the interaction is gone, i guess it loses contact to the USB cam. Perhaps the electricity is a bit shaky there, causing the USB ports to be underpowerd? Tomorrow I insert an active USB hub, maybe that will do the trick. In Graz it runs on two computers in two different locations, one which is used here in Hamburg too, for weeks without problems.