How do I turn off yahoo messenger?

Yahoo messenger box keeps popping up, and slowing me down when I ck my inbox. I never used it, and never turned it on. How do I turn it off completely?
Thanks

old_hipbilly2011-09-16T11:57:45Z

Favorite Answer

when it opens clk on top left on messenger, go to preferensence, not sure from here , start at top till You find start messenger at start-up and uncheck it ok ddon't forget to hit apply then ok.