19 Dec 2008 by Sonvir Singh Attri
To enable multiple logins in you Yahoo! Messenger, Follow these steps :
Click Start Menu And Click On “RUN”
Type “regedit” and click OK
You will see the REGISTRY EDITOR
Navigate to “ HKEY_CURRENT_USER/Software/Yahoo/Pager/Test “
Here in right side panel, right click to create a new Dword value with name Plural and give it value 1.
Close the registry editor and enjoy multiple yahoo logins.