Posted 29 December 2007 - 08:57 AM
Be sure the Windows firewall is disabled, since it might conflict with Comodo.
You are correct in following the rule of one firewall and one AV, and certainly using Firefox is a plus to your computer security.
Now if you are fairly cautious in your surfing habits, having two of the better-known Anti-spyware applications should be sufficient; although you will find that everyone has their current favourites, the two you have chosen are both good. At your option, you might add either SUPERAntiSpyware, or AVG's AS.
Whereof one cannot speak, thereof one should be silent.