Lastly, make sure you change the password on your router so that you won't have to worry about someone getting access to your system. NOTE/ Warning - if you aren't comfortable doing this have someone that knows PCs do this 'cuz you can lock yourself out! You can usually get into the router by bring up your Web browser and type either http://dslrouter or http://192.168.1.1 in the browsers address window and hit the ENTER key.
Who do you use for your antivirus and firewall internet security?