It is a part of ZoneAlarm, something to do with True Vector security.
I guess you were using ZA version 6. It is difficult to totally remove this version but if you follow the instructions in this link you should be OK - click here
ZA offer a free version for personal use. It does not have all the bells and whistles but is a well respected firewall. I have some concern that the relatively new version 6 still has bugs to be ironed out and I would recommend version 5.5 which can be found here - click here