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.
3 H( l& H- N+ K; S1 p+ _TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。Should I unistall the Spyware Doctor. (I didn't ture it on guard.)
$ a/ \8 Z  N* W/ r% y. ?8 B公仔箱論壇Anyone can help, please.