Why is my Rising End poison to kill a black block appears, and then no response to it?

Why is my Antivirus Software End poison to kill a black block appears, and then no response to it? Like the same crash.

Restart the computer to see whether the normal into the system, upgrade again killing, this is no problem if occasionally If the virus is like this every time your system may have a problem.can clean up some repair system Kaka Assistant

dual use is Antivirus Software, but the landlord never encountered such a situation, I suggest you go to Kaka Community Ask