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. ! h! ?* x& m& |8 @' k* p5 K, f
Should I unistall the Spyware Doctor. (I didn't ture it on guard.)
9 W3 o! b& W5 z8 Y, [, ]+ b% {tvb now,tvbnow,bttvbAnyone can help, please.