Heard the news? BitComet seems to have negative 'perseption' by certain group of torrent users..
The claim is Comet 'hogs' the bandwidth by implementing the 'super-seed' function..
Maybe the cause to the case of incapability to connect to trackers is base on the assumption of the servers' admin to let other torrent user to experience better speed since the claim stated (or is it on another article) that most of Comet users dont seed that much..
Here is the link.. knock yourselves out..

http://torrentfreak.com/bittornado-bans-all-bitcomet-users/

Lesson here, dont use BitComet..?
Seed more...