Problem with downloading through torrent

Hi,

I am using windows 7 ultimate edition and having some issues with downloadin via torrent.Previously I was using utorrent client.It was not downloading even if it had enough seed and leech.The download progress bar showing red.So i unstalled utorrent and installed bit torrent without any improvments ?Is it a virus attack ? I have to download via torrent after disabling my Avira.Still no useful.Any suggestion how to get rid of this ?
 
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