I have a Dell XPS420 and the os is Vista Premium. I am at present running the Windows Firewall plus the firewall on my router. I have tried Comodo and I believe McAfee was pre installed. I have removed both of these programmes. I have just had a look on the security centre and under Firewalls I checked what Firewalls are running and it shows three. Comodo McAfee and Windows. I can't understand this as I thought I had uninstalled the 2 third party progs. Does this mean that in all I have four firewalls running. If so how do I delete the ones I do not want. Thanks in anticipation.