No!

Just go to
Control Panel>Add/Remove Programs.Run the uninstaller for CIS.

You will see 3 options:


Same thing for Adding & Removing Components.
How to add/remove features (AV & Firewall & any others that may be added)
Too add or remove features in CIS:In XP: Start > Add or Remove Programs >
select Comodo Internet Security >
click Change/Remove >
make sure "Add/Remove" is selected and click Next >
Select which features you want & follow the directions until you finish.
In Vista: Start >
type in search box search: Programs and features >
click on Programs and features >
find COMODO Internet Security >
click Uninstall/Change >
make sure "Add/Remove" is selected and click Next >
Select which features you want & follow the directions until you finish.