[monkey2468]

Originally Posted by Parrot of Doom

Postcode is M41

I have removed Zonealarm completely, and the problem has gone. Now just on windows firewall, although I intend to use something a bit better.

Version 4.5 worked perfectly well, it was only when I upgraded to 6.x that the problems started.

Thanks for the help

I would try reinstalling it again, just to see if it is definitely zone alarm upgrade causing the spikes.