Prevent MSN Messenger from automatically launching at startup

Stop MSN Messenger from signing you in automatically
In the main MSN Messenger window, click the Tools menu, and then click Options. Click the General tab, and then clear the Allow automatic sign in when connected to the Internet check box.
Stop MSN Messenger from starting automatically
In the main MSN Messenger window, click the Tools menu, and then click Options. Click the General tab, and then clear the Automatically run Messenger when I log on to Windows check box.
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