Comodo brings its own firewall, doesn't it? If yes, you can just disable the M$ firewall as it is useless and can cause problems when used together with other firewalls...

__________________
</td><td><a href="http://crawler.trillinux.org"><img align="right" style="border:0" src="http://crawler.trillinux.org/img/netsize.png" alt="Network size"></a></td></table>