cirrus minor

Hi,

Is there a setting (I've looked but can't find one) that turns off Live
Messenger so that when I go to SkyDrive or Live Calender keeps Live Messenger
from launching in the systray? It doesn't sign me in, which is fine.

I've looked on Live Messenger's Options but can't find one. I unchecked
launch the client when I log in to Windows, connect to the Internet, but
nothing. I am logged in to Windows Live Mail (email-client) but I don't know
if that's might be it?
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cirrus minor