If you have SPNG2 follow this :
- In the Msn Messenger main window go to Plus!
- Then Options
- Then Plugins on the left side
- Select Stuff Plug with one left button click
- Then click on the Configure Button below the plugins list
- A window will open, there tick 'Polygamy(Clone Messenger' .
Now when you execute msnmsgs.exe one window will show up, and when you execute it while you have it running, another window will show up with no Session Signed in