-- Posted by whrocky5092 at 11:51 am on April 24, 2008 are there any protective and very handy firewalls that i can use on my pc that are free"? -- Posted by myboringlife5 at 11:52 am on April 24, 2008 no they don't work -- Posted by Byble at 11:52 am on April 24, 2008 Zone alarm free edition.. i dunno where to get it from.. but i have a version on this cd i got from pc gamer.. but i don't use it as my anti virus has one. -- Posted by sammibug at 11:53 am on April 24, 2008 Avira AntiVir -- Posted by Darkane at 11:55 am on April 24, 2008 Sygate Personal Firewall -- Posted by mynameisdan at 12:05 pm on April 24, 2008 Windows comes in with a built in firewall, you just have to turn it on, don't bother with crappy software versions. -- Posted by climber783 at 12:07 pm on April 24, 2008 Comodo firewall has a free version.  i don't use it, but I know a few people that do, and have no complaints about it.