Shoutbox

i have the windows live messenger(msn) and i installed the messenger plus! live but everytime i install messenger plus! live it just stays on the messenger until i sign out then it vanishes! just right now it gave me a notification that one of my contacts are idle which means the messenger plus! live is working but for example i cant go to its prefrences becuz the messenger plus! live's two buttons aren't shown!! i tried to uninstall it and install it again but the same thing happens i even tried uninstalling the messenger but the same thing also happens! what do i do?!