Do you had >connection close by peer/offline(timed out)
in your tracker?
Here is the key to solve your problems.
1.Close your torrent client
2. Then install Proxomixtron
3.Then run it

4.Then Click Headers
5.After that Find Space Bison(out)
6.click out
7.Click ok
8.Then click Log Window

9.Then this will pop out

10.Run your torrent client.

11.After that do this

The highlite all of your torrent task
right click them and click update tracker