Butterz Posted March 7, 2013 Share Posted March 7, 2013 So ever since I updated to BitComet 1.35 I have had the problem with UPnP NAT port mapping - Failed. since I went back to 1.34 the problem has stopped since this port mapping problem happened it was saying TCP Listening Port was blocked/Firewalled I hope others have this problem or I may have had a bad install of the file. Quote Link to comment Share on other sites More sharing options...
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