If you use different MSN accounts for different purposes, like one account to keep in touch with your friends and family and the another one to keep track of your office details, then you'll definitely need MSN polugamy messenger. If you have the default MSN messenger set up, then you will not be able to login to two different accounts at the same time from the same … [Read more...] about How To Run Multiple Instances Of MSN Messenger On The Same Computer At Same Time