Yes?
So come with me
-------- Start Here --------
1. Click Start menu
2. Click Run
3. Type "regedit"
4. HKEY_CURRENT_USER
5. Software\Yahoo\pager\test
6. right click new Dword value
7. Rename it to Plural
8. Value Data by Hex =1
9. That's all
Now Try To Open More Yahoo Messenger As Much As You Wanna