deleting old msn version

[onearmedman]

hey all, this quesion may have already been posted but can someone tell me how i delete my old version of msn(6).

before i got the new 7 version i had the 6 and i dled the msn 7 but now whenever start the comp it signs into the 6th one automatically...
it is very annoying...can some1 help me or redirect me to a thread with an answer.

thanx