CFP (and previous builds) doesn't log any denied events

Windows XP SP2
Comodo Firewall Pro v3.0.23.364 (32-bit)

CFP doesn’t log ANY denied events (including unknown traffic), unless it’s specified in the rule settings (“Log … if is fired” checked).
Firewall security level = Custom Policy Mode
all alerts for TCP/UDP/ICMP are off
Defence+ security level = Disabled (and deactivated)
Firewall and Defence+ logging isn’t disabled.