Maybe a laptop computer could be charged using half of the U-core of a monitor/TV flyback transformer and a high-speed diode bridge. The 3" waxed HV winding sits like a hockey puck directly on the cooktop's effective 5" surface, without the ferrite core half in between .
Try F-Prot corporate. http://f-prot.com/ 10 licenses/year is $50US. We had it at work for a couple of years for 20 seats at $90
I'm back with it after 1/2 year of Spybot S&D. It found a couple of things that ENOD32 missed.
It also doesn't lag, even on old VIA Centaur cpu's.