fireball

I have the same situtation.  I used to use bitcomet 0.91 that was very fast but I was stupit to down grade to 0.8.  Then, I find the 8.0 was slow so I changed it back to 0.91...don't know why, it become very slow...mega slow...sometimes, it is dead, even it has lots of peers.  I tried uninstalled it and re-downloaded it, but it is the same slow...please help...
* ]3 O$ h& n1 k- k3 l  @% Q% g  d- r! x* H& w2 w6 ~
Form my experience, it has many seeds but it can't download well.  Very abmornal..I am afraid my computer has problem because it nevers happens before.
- G% g, I. \3 F' Z2 E/ v% y! S5.39.217.76' V( v8 F$ @+ U: k* X
Any suggestion???