Zyxel Prestige 660HW Wireless Router (PRESTIGE660HW) "anit virus" Questions

...the G202 user interface would load up then either crash or disappear. I uninstalled all BT related stuff and then things went fine. Do you run any firewall and anit-virus software at

anit-virus also have contacted a surport team as it is a work computer and no problems there.. so i belive it is a problem with my Face book Account.. PLEASE TREAT AS URGENT... as i may have to cancel