A) poisoned, in such cases, please visit the first Aid Kit official website http://www.360.cn/jijiuxiang/index.html, download a latest version of the 360 system First aid kit, in the system First aid box, first use "Stubborn virus Trojan Kill" function scan, Then check the first-aid box in the strong mode and the overall killing options, the computer in all directories in the file for killing, scan completed restart, the problem can be resolved.
b There are other kill soft to prevent the 360 software housekeeper's normal operation, such cases, you can try to uninstall the other to kill soft, and then restart the computer to see if the normal start of the 360 software butler.
C First Use 360 stubborn Trojan kill virus Trojan Horse (if not normal operation is in the Safe Mode with network connection), and then in safe mode using anti-virus software and 360 security guards overall killing virus Trojan horse.