Damaged Fonts -- Lloyd Lim <email@example.com> says that a good check for bad font files, along with other files with resource forks, is to run John Norstad's excellent virus fighter, Disinfectant (now at version 3.2, see below), which checks for and reports damaged resource forks. It may not catch all types of damage, but it is a useful troubleshooting tool.
Easily Change Firewall Settings in VirusBarrier X6
If you need different levels of protection on your laptop based on location, you can set up VirusBarrier X6's two-way firewall with multiple configurations. Whenever you change locations, switch easily to the firewall settings you want to use from the Intego menu, located in the menu bar. Make as many configurations as you want: for home, office, when you're on public Wi-Fi, and so on.