Go to Network monitor (security/network monitor).
Right click on your red BLOCK rule and add-> add before.
Do these settings.
Action : Allow
Protocol : TCP or UDP
Direction : In/Out
Source IP : Any
Destination IP : Any (or zone if you have one)
Source Port : Any
Destination Port : A single port : i tu upisi port od aplikacije dc++ (nadji negdje)
restartaj komp.
mora ti radit, ja sam imo slican problem sa Shareazom, spoji se na sve mreze al download sources uopce nema i search opcija jedva davala rezultate.