Originally Posted by stacie0129 My father-in-law installed 4 free firewalls on our computer. We are using Microsoft Antispyware, AVG Free Virus Vault, Spybot, Lavasoft Ad-Aware SE. We haven't had any problems. those aren't fire walls exactly. avg's is the antivirus, microsoft antispyware is a program that protects from spyware but after it gets ON your computer, spybot is for spyware too, and adaware is for spyware. you need a firewall program something that runs to block people from getting into your computer on open ports (which can happen)