How to run/login to Muliple Yahoo Messenger

Type regedit in RUN command and Navigate to the following registry branch.

HKEY_CURRENT_USERSoftwareyahoopagerTest

In the right side pane, right click on the registry and select “New -> DWORD” registry value. Name that registry value as “Plural”, and assign it the value 1(decimal).

Note: To disable multiple login of yahoo messengers, change the “Plural” registry value to 0, or delete the “Plural” registry key.