Open comodo.GO TO FIREWALL

Select= NETWORK SECURITY POLICY-GLOBAL RULES

Click the add option and do the following:

Rule for TCP/UDP protocol
Action = Allow
Protocol = TCP or UDP
Direction = In
Source IP = Any
Destination IP = Any
Source port = Any
Destination port = Destination port, click on single port and type the port number YOU HAVE ASSIGNED TO VUZE.IMPORTANT MOVE TO TOP OF LIST.

OPEN-PORT SETS-CLICK ADD-A NEW PORT.ENTER THE PORT NUMBER YOU HAVE ASSIGNED TO VUZE.CLICK OK.SHOULD BE A GREEN FACE.HOPE THIS HELPS PEOPLE.