what is happening?

Hi, i am new to the norton community and have a quick question:

 

My computer almost seems to be attacking itself??? i get a medium threat level and the threat reads:

Actor- C:\WINDOWS\SYSTEM32\CONHOST.EXE

Target- C:\Program Files (x86)\Norton Internet Security\Engine\_ _ . _ . _ . _ _\cltlmh.exe

(The _ represent # but im not sure if i should post them)

 

PLEASE HELP!!