OSX El Capitain shutdown doesn't work

This is going to be my first post, so I hope will be clear and understandable ( i'm not native eng).

First of all, I just want to clarify: I'm not a developer or everything related to coding. I have just a rough Idea about what a shell command is etc...

my problem is related to the shutdown. If I shutdown normally (apple icon, shutdown) it doesn't work. Whereas via shell: sudo shutdown halt it works.

after many Googling, (guess what?) nothing has been found. but I got something interesting from my console log. I have a script lunched by lunchd wich try to connect to a server every 10 sec. I'm reporting it

SCREEN OF THE CONSOLE LOG

I unistalled days ago averTV and a I can't find a unistall.app to clean perfectly from this. so my question is: com.AVerMedia.AVerQuick can be the process wich prevent the shutdown? or it is just another bug?

In cocnclusion, If I run Osx safe mode It goes shutdown normally.

Thanks in advance, valerio.

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