As Shaun told you:2 Firewalls don't mix!
And neither do 2 runnng anti-viruses!
You are asking for trouble! http://www.avast.com/eng/download-avast-home.html
Avast is a low resources using anti-virus(also free), and is vista 32bit and
64bit compatible http://www.spybot.info/en/index.html
Spybot Search & destroy is a very good anti-spyware program to install, and
update and scan your system with once a month.
If I was you, I would uninstall McAfee and threatfire???????.
Use Vista's firewall,and the anti-virus and anti-spyware programs that i
have left you links for.
> I'm running Vista on my new laptop and have had a couple problems with my
> firewall turning off by itself. I do have McAfee on it that also keeps
> saying that there is an error with security and that it has stopped running.
> It does this everytime I turn it on and go online. I do have an additional
> anti-virus program called Threatfire which is another free downloadable
> program that was suggested by a couple of local computer techs. Whenever I
> run a virus scan everything comes up clean with the exception of Threatfire
> alerting me several times of potential malware that I've quarantined. I
> noticed on a previous question that a anti-virus program called "AVG" is
> mentioned and another download through Kaspersky.com. Has anyone else even
> heard of ThreatFire and is it comparable to these other free antivirus
> programs??? Any suggestions would be great. I need all the help I can get.