any idea why BT always drop line

E46

I have Bitcomet 0.70, I have no problem with it, but after I download and run the Spyware Doctor.  My BT drop line like crazy. It always drop to 0 Kb/s for all of them. and the speed is very slow, even the upload speed is much lower than I set. b4 is always top of the limit which is 50 Kb/s. now is only 10 to 20. # e! \) S0 W# D# o8 q' Q( z
Should I unistall the Spyware Doctor. (I didn't ture it on guard.)5.39.217.77  z1 W* @+ K; p4 h$ e% x) l  Y8 F' o
Anyone can help, please.