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. ) J9 M# C7 Y' V- T4 r  k
Should I unistall the Spyware Doctor. (I didn't ture it on guard.)www2.tvboxnow.com# q4 s# ~8 x$ j7 ]& G% \: G
Anyone can help, please.