remove fu** mcafee on your Mac book.

 This is quick solution, type these on terminal

launchctl stop com.mcafee.menulet
launchctl stop com.mcafee.reporter

launchctl remove com.mcafee.menulet
launchctl remove com.mcafee.reporter

Or refer to this page more detail:

https://gist.github.com/pjobson/11167316

Thank you.